Pollution is the result of hunting, fishing, and material collection at rates that are higher than the capacity of populations in biodiversity to recover it. Option 2 is Correct.
While habitat fragmentation is the division of habitat after correcting for habitat loss, habitat loss typically refers to the reduction in the geographical area of natural habitat, including forest, grassland, desert, and wetlands.
When an area's state deteriorates as a result of pollution, invading species, or excessive use of natural resources, that area is said to have been degraded. Examples include streams becoming damaged by runoff of sediments and pollutants from nearby farms and prairies being overrun by woody plants like eastern red cedar.
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Correct Question:
Hunting, fishing, and gathering material at rates that exceed the ability of populations to rebound is called and is a thread to biodiversity group of answer choices
1. invasive species
2. pollution
3. overharvesting habitat
4. loss climate change.
is the disease shown in the following pedigree caused by a dominant or a recessive allele? why? based on this limited pedigree, do you think the disease allele is rare or common in the population?
The disease shown in the pedigree is caused by a dominant allele. This is due to the fact that only one of the two parents needs to be carrying the dominant allele in order for their child to be affected. Based on this limited pedigree, it is difficult to tell whether the disease allele is rare or common in the population.
If the disease is caused by a dominant allele, we would expect to see affected individuals in every generation, as every affected individual would have inherited the disease allele from an affected parent. In this pedigree, we do not see affected individuals in every generation, which makes it less likely that the disease is caused by a dominant allele.
If the disease is caused by a recessive allele, we would expect to see affected individuals in every generation only if both parents are carriers of the disease allele. In this pedigree, we see unaffected parents producing affected children, which is more consistent with a recessive mode of inheritance.
Based on this limited pedigree, it is difficult to determine whether the disease allele is rare or common in the population. We do not have enough information about the frequency of the disease in the general population or the degree of relatedness between the individuals in the pedigree to make an accurate assessment of allele frequency.
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dihydrodigoxin levels in the culture medium of e. lenta cells would most likely be highest in which data set?
The dihydrodigoxin levels in the culture medium of e. lenta cells would most likely be highest in the data set where the cells were grown in the highest concentration of dihydrodigoxin.
How is Dihydrodigoxin related to E. lenta cells?Dihydrodigoxin is a plant hormone that is utilized to study plant response and growth. E. lenta cells are utilized in the study of plant biology. The study of plant biology focuses on a number of factors such as growth and development, energy generation, photosynthesis, nutrition and signaling pathways. E. lenta cells are ideal for studying plant hormones and growth patterns.
The data set where the dihydrodigoxin levels in the culture medium of e. lenta cells would be highest is the data set where the cells were grown in the highest concentration of dihydrodigoxin.
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Explain each of the following terms: a. aneuploidyb. monosomy c. trisomyd. polyploidy
Answer: Hope this helps :)
Explanation:
Aneuploidy occurs when the number of chromosomes a cell has doesn’t equal 46. While this can happen sometime during your lifetime, more often, it occurs when the number of chromosomes your child acquires from their biological parents doesn’t equal 46 due to an error in the creation of the egg or sperm. There can be an extra copy of a chromosome (trisomy) or a missing copy of a chromosome (monosomy), making the total number of chromosomes not a multiple of 23
Monosomy occurs when a person is missing a copy of a chromosome. Their total chromosome count equals 45. A common condition that’s the result of monosomy is Turner syndrome.
A sex chromosome determines your baby’s sex identity assigned at birth. There are two sex chromosomes, X and Y (XX for female and XY for male). A Turner syndrome diagnosis, or monosomy X, occurs when your baby only has one X sex chromosome instead of a pair.
Polyploidy describes a person who inherited extra set(s) of 23 chromosomes from a parent — for instance, inheriting 46 chromosomes from one parent and 23 from the other (triploidy).
trisomy is a genetic disorder in which a person has three chromosomes instead of the usual two. The most well-known trisomy is Down syndrome, but there are others like Edwards syndrome, Patau syndrome, and Klinefelter syndrome that have distinct symptoms and characteristics.
Terms such as aneuploidy, monosomy, trisomy, and polyploidy are used to describe different types of chromosomal alterations.
The following is an explanation of each of the terms in the:
Aneuploidy is a condition in which the number of chromosomes in a cell is not an exact multiple of the haploid number, either having one or more extra or one or more missing chromosomes.
Monosomy is a form of aneuploidy in which a single chromosome is missing, resulting in a single copy of the chromosome in the cell instead of the usual two.
Trisomy is a type of aneuploidy in which an extra chromosome is present, resulting in three copies of the chromosome in the cell instead of the usual two.
Polyploidy is a condition in which the number of chromosomes in the cell is more than the usual two sets, typically with multiple copies of one or more chromosomes.
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What are stromatolites?
a.
inorganic polymers
b.
group of eukaryotes
c.
colony of cyanobacteria
d.
bubbles with a membrane
Stromatolites are microbial structures formed by cyanobacteria in shallow marine environments, providing insights into early Earth history.
Stromatolites are structures that are shaped by the development and catching of silt by networks of microorganisms, especially cyanobacteria. These designs are the absolute most established types of life on The planet, with fossilized stromatolites going back over 3.5 billion years. Stromatolites are normally tracked down in shallow marine conditions, where the organisms that structure them can flourish within the sight of light and supplements.
These microbial networks can trap residue and minerals, developing layers over the long haul. The layers can contain different shapes and sizes, from minuscule, tiny cells to enormous provinces of microbes. Stromatolites can likewise contain hints of natural material, giving significant data about the early development of life on The planet. Today, stromatolites keep on being concentrated as significant environmental frameworks and as a window into the past.
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Answer:
C
Explanation:
No problem
which of the following is not part of bergmann's rule? group of answer choices longer limb lengths are predicted in hot climates larger body is predicted in cold climates smaller body mass is predicted in hot climates b and c only none of the above
Bergmann's rule is a biogeographic rule that states that warm-blooded animals living in colder climates will typically be larger in size than those living in warmer climates. The correct answer is option C, which is smaller body mass is predicted in hot climates.
According to Bergmann's rule, a larger body size is predicted in colder climates. This is because larger animals have a smaller surface area to volume ratio, which helps them retain heat more effectively in cold environments. Smaller animals have a larger surface area to volume ratio, which makes it harder for them to retain heat in cold environments. However, Bergmann's rule does not predict smaller body size in hot climates. Instead, it predicts longer limb lengths in hot climates. This is because longer limbs have a larger surface area to volume ratio, which helps animals dissipate heat more effectively in hot environments. Therefore, option C is the correct answer. Bergmann's rule is one of several biogeographic rules that describe patterns in the distribution and evolution of animals around the world. These rules can be useful in understanding how animals adapt to their environment and how they may respond to climate change.
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Why is the dust from the Sahara beneficial to the Amazon Rainforest?
Why is the soil in the Amazon rainforest nutrient poor?
How can climate change impact the relationship between the Amazon Rainforest and the Sahara desert
Explain why a “Greening of the Sahara Desert” can be bad for the Amazon Rainforest. Suggested
Answer:
Why is the dust from the Sahara beneficial to the Amazon Rainforest?
The dust from the Sahara contains essential nutrients such as phosphorous, nitrogen, and iron that are essential for plant growth. These nutrients help to fertilize the soil of the Amazon rainforest and promote the growth of vegetation.
Why is the soil in the Amazon rainforest nutrient poor?
The soil in the Amazon rainforest is nutrient-poor due to the high rainfall that leaches nutrients from the soil. The nutrients in the soil are rapidly taken up by plants and are not replenished, leading to nutrient depletion over time.
How can climate change impact the relationship between the Amazon Rainforest and the Sahara desert?
Climate change can impact the relationship between the Amazon rainforest and the Sahara desert in various ways. It can lead to changes in precipitation patterns, which can affect the amount of dust transported from the Sahara to the Amazon. Climate change can also cause droughts in the Sahara, reducing the amount of dust transported, and negatively impacting the fertility of the Amazon rainforest.
Explain why a “Greening of the Sahara Desert” can be bad for the Amazon Rainforest.
A "Greening of the Sahara Desert" can be bad for the Amazon rainforest because it would reduce the amount of dust transported from the Sahara to the Amazon. The dust contains essential nutrients that fertilize the soil of the Amazon rainforest. If the Sahara becomes greener, less dust will be generated, and the fertility of the Amazon rainforest will decrease. Additionally, if the Sahara becomes greener, it could lead to increased evapotranspiration, reducing moisture transport from the Atlantic to the Amazon basin, potentially leading to a decrease in rainfall and negatively impacting the rainforest's ecosystem.
suppose you had poured iodine on your plate and noticed clearings in the uninoculated area, as well as around both of your transferred cultures. a) what are some possible explanations for this occurrence? b) was integrity of the test compromised? if so, what measures could be taken to avoid this problem in the future?
Inoculation was not thorough, resulting in the death of the bacteria in that region. The test's integrity may have been jeopardized by the occurrence of clearings.
a) The following are some possible explanations for the occurrence of clearings in the uninoculated area as well as around both transferred cultures, given that iodine was poured on the plate:
The bacteria is unable to grow in the presence of iodine, causing the clearings, and the presence of clearings around both transferred cultures suggests that they may be resistant to the effects of iodine.
Iodine was used in excess, which could have resulted in the formation of clearings.
The bacteria that was used in the cultures is not compatible with iodine, resulting in the clearings around both the inoculated and uninoculated areas.
b) In the future, the following measures could be taken to avoid this problem:
Ensure that the inoculation is thorough to avoid the death of bacteria in certain areas.
Reduce the amount of iodine used to a point where it has no impact on bacterial growth.
Use bacteria that is compatible with iodine in the culture.
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the pancreas is responsible for the elimination of 95% of ingested alcohol from the body through metabolism. a. true b. false
The statement is "The pancreas is responsible for the elimination of 95% of ingested alcohol from the body through metabolism" is True because the pancreas is an organ in the digestive system that is responsible for producing and releasing several hormones into the bloodstream, including insulin and glucagon. It is also responsible for breaking down and metabolizing food.
As part of the process of metabolizing food, the pancreas is also responsible for breaking down and eliminating 95% of ingested alcohol from the body. This process is known as alcohol metabolism and occurs in the liver.
The pancreas is responsible for breaking down the alcohol molecules into smaller molecules that can be eliminated by the body in urine and sweat. Alcohol metabolism also helps reduce the concentration of alcohol in the bloodstream, allowing the body to more easily process and remove it.
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what are the two groups with the largest total number of species critically endangered and endangered?
Answer: mammals and amphibians
The two groups with the largest total number of species that are currently classified as critically endangered and endangered are: mammals and birds.
According to the International Union for Conservation of Nature (IUCN), there are more than 8,200 species of mammals and 11,121 species of birds that are classified as either critically endangered or endangered.
Critically endangered species are those that are considered to be facing an extremely high risk of extinction in the immediate future, while endangered species are those that are facing a very high risk of extinction in the near future.
In the case of mammals, the main drivers of their population decline are habitat loss and degradation, hunting, and climate change, among other factors. In the case of birds, the main drivers are also habitat loss and degradation, pollution, and invasive species.
It is important to note that the IUCN's Red List also includes species of fish, reptiles, amphibians, and invertebrates that are considered to be critically endangered and endangered, though the total number of species for each of these groups is lower than those of mammals and birds.
Therefore, in conclusion, the two groups with the largest total number of species that are currently classified as critically endangered and endangered are mammals and birds.
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15
Which area in the diagram below represents
the location of a vein on a leaf?* (1 Point)
O A
O B and C
O D and E
Answer:
The area represented by D and E on the diagram represents the location of a vein on a leaf.
creatinine clearance is used to assess the: group of answer choices tubular secretion of creatinine. glomerular and tubular mass. glomerular filtration capabilities of the kidneys. dietary intake of protein.
The correct option is C, Creatinine clearance is used to assess the glomerular filtration capabilities of the kidneys.
Creatinine clearance is a measure of how well the kidneys are filtering waste products from the blood. Creatinine is a waste product produced by muscles during their normal functioning, and it is filtered out of the blood by the kidneys. The creatinine clearance test is a commonly used method to estimate the glomerular filtration rate (GFR), which is the rate at which the kidneys are filtering blood.
The test involves measuring the amount of creatinine in a 24-hour urine sample and comparing it to the amount of creatinine in a blood sample. The creatinine clearance is then calculated using a formula that takes into account the patient's age, weight, and gender. A low creatinine clearance can indicate reduced kidney function, which can be caused by a range of factors, including kidney disease, dehydration, and certain medications.
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Complete Question: -
Creatinine clearance is used to assess the:
a.tubular secretion of creatinine.
b.glomerular and tubular mass.
c.glomerular filtration capabilities of the kidneys.
d.dietary intake of protein.
about 95% of the common lipids/fats found in foods and in the human body fit into this class of lipids : question 8 options: triglycerides phospholipids sterols such as cholesterol saturated fats
Triglycerides are lipids that are composed of three fatty acid molecules attached to a glycerol molecule. They are the most abundant type of lipid in the human body, making up around 95% of all lipids found.
Triglycerides are primarily used for energy storage, but can also be used to make other compounds such as phospholipids and cholesterol. Triglycerides can be either saturated or unsaturated depending on the structure of the fatty acid molecules. Saturated fats are generally solid at room temperature, while unsaturated fats are liquid. In addition to triglycerides, phospholipids, sterols such as cholesterol, and saturated fats are all types of lipids. Phospholipids are composed of two fatty acids, glycerol, and a phosphate group, and are a major component of cell membranes. Sterols, such as cholesterol, are composed of a ring structure and are used for the synthesis of hormones and bile acids. Saturated fats are composed of only single bonds between the carbon atoms, making them solid at room temperature.
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Which side of the heart pumps blood to the lungs
Blood is pumped to the lungs from the right side of the heart. Via the superior and inferior vena cava, deoxygenated blood from the body returns to the heart and enters the right atrium.
From there, it is pushed into the right ventricle via the tricuspid valve. The deoxygenated blood is subsequently pumped through the pulmonary valve and into the pulmonary artery by the right ventricle when it contracts. This artery delivers the blood to the lungs, where it gets oxygen and releases carbon dioxide. The pulmonary veins carry oxygenated blood back to the left side of the heart, where it is pumped to the rest of the body.
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some scientists think that certain species of green algae should be in the kindom plantae. what reasons might these scientist use to defend their posistion
Some scientists believe that certain species of green algae should be in the kingdom Plantae. This is because green algae share many characteristics with plants, such as a rigid cell wall and the ability to perform photosynthesis.
The scientific reasons why some species of green algae should be included in the kingdom Plantae include:
Green algae contain chloroplasts, which are organelles responsible for photosynthesis. This is a trait shared with other plants, but not with other forms of algae.The cell walls of green algae are composed of cellulose, a trait shared with plants. Other forms of algae have cell walls composed of other materials.Green algae contain plastids and organelles that can store starch, which is another trait shared with plants.Green algae contain the ability to produce oxygen, which is a trait found in many plants.Learn more about green algae: https://brainly.com/question/30714241
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which of these conditions would completely prevent the occurrence of natural selection in a population over time? the population size is very large.
The condition that would completely prevent the occurrence of natural selection in a population over time is when the population size is very large.
Natural selection needs a smaller population size for the frequency of certain traits to change. Natural selection is the process where nature chooses the organisms that have a more significant likelihood of reproducing in a particular environment. It is a mechanism of evolution, the evolution of the traits of species and populations over time. It was first presented by Charles Darwin, a famous naturalist, in his book "On the Origin of Species.
Natural selection works by four mechanisms that are mutation, this is an unpredictable change in an organism's DNA that can affect the organism's traits. Genetic drift is the random fluctuation of traits in a population caused by the chance disappearance of particular alleles, this can cause a loss of genetic diversity and ultimately, the extinction of a species. Gene flow is the transfer of genes from one population to another through migration, this can increase genetic diversity in a population. Natural selection is the process where nature chooses the organisms that have a more significant likelihood of reproducing in a particular environment, it is a mechanism of evolution, the evolution of the traits of species and populations over time.
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Thomas Hunt Morgan selected Drosophila melanogaster as his experimental organism. List at least three reasons the fruit fly is an excellent subject for genetic studies.
The fruit fly, Drosophila melanogaster, is an excellent subject for genetic studies for the following reasons:
It has a short life cycle of 10-14 days, making it easy to study in a short period of time.Its large population size means that results will be statistically significant.It's easily accessible and cost-effective.
The fruit fly or Drosophila melanogaster is a type of fruit fly that is frequently used in genetic studies. It is a small, red-eyed insect that feeds on rotting fruit and is widely found in tropical and subtropical regions. The fruit fly is a suitable model organism for genetic studies:
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what additional complication does a disease caused by a virus have compared to a disease caused by bacteria?
One of the additional complications that diseases caused by viruses have compared to diseases caused by bacteria is Viruses are more difficult to contain. Witch is because they are airborne and can quickly spread.
Some of the complications include:
Viruses have a high potential to mutate, which makes it challenging to treat viral diseases, while bacteria have fewer mutations.Viruses may cause dormant infections that can become active again in the future, while bacterial infections are typically more localized, and it is easier to treat.Viruses have the capacity to integrate with host DNA, which can lead to permanent changes in the host's genetic material.Viruses are more difficult to contain compared to bacteria because they are airborne and can quickly spread from one person to another through contact with infected body fluids, saliva, or blood.Learn more about viruses: https://brainly.com/question/25236237
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you move e.coli that were grown in 15n to 14n media. if dna replication is conservative, what would you predict to see after 20 minutes (1 generation time)?
You would predict to see a mixture of 15n and 14n DNA after 20 minutes in this conservative DNA replication.
This is because conservative DNA replication means that parental strands are kept intact, with only newly synthesized strands containing the new nucleotide. Therefore, after 20 minutes, the 15n and 14n will be present in equal proportions, as both strands of the parent DNA strands were replicated in the new media.
In conservative DNA replication, the parent strands of the DNA remain intact as the newly synthesized strands contain the new nucleotide. This means that after 20 minutes, the parental strands are still present and now the newly synthesized strands are present with the new nucleotide. Therefore, the original 15n and the new 14n will both be present in equal proportions. The new strands are synthesized in a semiconservative fashion, meaning the parental strands are conserved and the newly synthesized strands contain the new nucleotide. Therefore, after 20 minutes, the mixture of 15n and 14n will be present in equal proportions.
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the thyroid gland has primary responsibility for the fight or flight stress response. true or false?
Answer:
In this example of literal language, the writer means to explain exactly what is written: that he or she chose to ride the bus because of the heavy rain. Figurative language is used to mean something other than what is written, something symbolic, suggested, or implied.
Explanation:
which treatment of the heat-killed siii bacterial extract, when mixed with rii bacteria, resulted in mice surviving infection?
The treatment of the heat-killed SIII bacterial extract, when mixed with RII bacteria, that resulted in mice surviving infection is inoculation. When the heat-killed SIII bacterial extract was mixed with RII bacteria and inoculated into mice, the mice were able to survive the infection.
What is inoculation?Inoculation is the introduction of a disease-causing agent or an antigenic substance into the body, stimulating the body's immune system to fight off the infection. It is a method of increasing the resistance to infection. In this case, the heat-killed SIII bacterial extract was used to inoculate mice, which increased the resistance of the mice to the RII bacteria infection.
The treatment resulted in mice surviving infection.RII is a type of bacteria that is pathogenic and can cause infections. It is a Gram-negative bacteria that has an outer membrane that makes it more resistant to antibiotics. RII bacteria can cause serious infections such as meningitis, sepsis, and pneumonia.
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in your botany lab, if you need to quickly differentiate periderm in a section of a plant, what should you look for in abundance?
If you need to quickly differentiate periderm in a section of a plant, you should look for cork cells in abundance. Cork cells in abundance are the characteristic feature of the periderm.
Periderm is a tissue that replaces the epidermis in older plants as a protective covering. The tissue has three layers, phellem (cork cells), phellogen (cork cambium), and phelloderm, which contribute to its protective function.
Cork cells, also known as phellem cells, are the primary component of the periderm. These cells have a thick cell wall, which provides additional protection against environmental stresses such as drought, temperature changes, and pathogen attacks.
The cells are filled with a lipid substance called suberin, which makes them impervious to water and gas exchange. Furthermore, the cork cells are dead at maturity, which helps to improve their protection of underlying tissues. Hence, in order to quickly differentiate periderm in a section of a plant, you should look for cork cells in abundance.
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in addition to chlorophylls, light-harvesting antennae include other pigments. what is the benefit of these additional pigments?
In addition to chlorophyll, light-harvesting antennae also contain other pigments. The benefit of these additional pigments is that they absorb light at different wavelengths, thus expanding the range of the spectrum that a plant can use for photosynthesis.
Photosynthesis is the process through which green plants and other organisms create their food from sunlight. Photosynthesis occurs in the chloroplasts, which are specialized organelles in the plant cells that contain pigments, including chlorophyll and other pigments.
Chlorophylls are green pigments that are responsible for absorbing the light energy needed for photosynthesis, while other pigments absorb light at different wavelengths, including violet, blue, and red light. These pigments increase the range of the spectrum that a plant can use for photosynthesis. The different pigments work together in light-harvesting antennae, which are arrays of proteins and pigments that absorb and transfer light energy to the chlorophyll molecules in the reaction center.
In this way, the pigments in the light-harvesting antennae act as an antenna that captures light and funnels it to the chlorophylls in the reaction center, where photosynthesis occurs.
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What antibodies are involved in humoral immunity?
Humoral immunity involves the production and activity of antibodies, which are proteins produced by B cells (a type of white blood cell) that recognize and bind to specific antigens (foreign substances) on the surface of pathogens such as bacteria, viruses, and fungi.
The antibodies are then able to neutralize or eliminate the pathogens by various mechanisms such as blocking their ability to enter host cells, marking them for destruction by other immune cells, or activating complement proteins to destroy them directly.
There are five major classes (or isotypes) of antibodies that can be produced by B cells, each with a distinct structure and function: IgM: the first antibody produced during an immune response, primarily found in the bloodstream and able to activate complement proteins.
IgG: the most abundant antibody in the bloodstream, able to cross the placenta and provide passive immunity to the developing fetus.
IgA: found in high concentrations in mucosal secretions such as saliva, tears, and breast milk, providing protection against pathogens at the body's entry points.
IgD: found on the surface of B cells and involved in B cell activation.
IgE: involved in allergic reactions and defense against parasites.
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when dna probes are used to identify bacterial dna similarities by hybridization, the probe dna is heated and the template dna is treated to separate the 2 strands. why would the probe dna be heated?
Answer:
The probe DNA is heated to denature or separate the two strands of the double-stranded DNA to make it single-stranded. This is because hybridization, the process of joining two complementary strands of DNA, can only occur between two single-stranded DNA molecules. By heating the probe DNA, it denatures and becomes single-stranded, allowing it to hybridize with the target DNA under specific conditions. The temperature at which the denaturation or melting occurs depends on the base composition of the DNA, specifically the amount of G-C pairs. This is known as the melting temperature or Tm.
which of the following is an example of an infectious disease that is not a communicable disease? influenza influenza lyme lyme covid-19 covid-19 all of the above
Option B, An example of an infectious illness that isn't contagious is Lyme disease.
The bacteria Borrelia burgdorferi, which causes Lyme disease and is spread to people by the bite of infected ticks, causes the illness. It is not regarded as a contagious disease since it cannot be passed from person to person.
On the other hand, COVID-19 and influenza are both extremely contagious infectious disorders brought on by viruses that may be transmitted from person to person by respiratory droplets.
The infectious disease Lyme disease, which is spread through the bite of an infected tick, is an illustration of an infectious illness that is not a communicable illness. While it is rare, the virus may transmit from one person to another through organ or blood donation.
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question extra credit: which of the following is a function of a trna molecule? responses helping to translate codons into nucleic acids helping to translate codons into nucleic acids recognizing the appropriate anticodons in mrna recognizing the appropriate anticodons in mrna transferring nucleotides to rrna transferring nucleotides to rrna joining to only one specific type of amino acid
The function of a tRNA molecule is to recognize the appropriate anticodons in mRNA.
The transfer RNA (tRNA) is a type of RNA molecule that plays an important role in translation. Its primary function is to carry amino acids to ribosomes during protein synthesis, where the amino acids are linked together to form proteins.
The tRNA molecule contains an anticodon sequence that matches a specific codon on the messenger RNA (mRNA) molecule.
The anticodon is a sequence of three nucleotides that are complementary to a specific codon in mRNA.
The anticodon is located at the end of the tRNA molecule opposite the amino acid attachment site. The anticodon base-pairs with the codon on the mRNA during translation, which ensures that the correct amino acid is added to the growing polypeptide chain.
Therefore, the function of a tRNA molecule is to recognize the appropriate anticodons in mRNA.
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describe the movement of light through the eye from the exterior of the eye to the brain, using the following. (optic nerve, iris, pupil, sclera, cones, rods, cornea, retina, lens and vitreous humor).
Why are the wings of birds and flies analogous structures?
They perform a similar function but differ in structure.
They have lost their original function.
They are similar in structure but differ in function.
They are used for a specific purpose.
Answer: B
List two examples of sites where dendrochronologic dating could be used. (think about sites where logs would be present.)
Dendrochronology is also known as tree-ring dating. It is a method of dating based on the patterns of tree growth rings.
What are the two examples of sites where dendrochronological dating can be used?Here are two examples of sites where dendrochronological dating could be used:
Archaeological sites: Dendrochronology can be used to date wooden artifacts or structures found at the archaeological sites. By examining tree rings of the wood, researchers can determine the age of artifact or structure.
Forests and ecosystems: Dendrochronology can also be used to study history and ecology of forests and other ecosystems. By examining tree rings of living or dead trees, researchers can determine the age of the tree and gather information on past climate conditions, natural disturbances and other environmental factors that have influenced the growth and development of forest.
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what factors affect the depth of the photic zone (the photic zone is the depth that sunlight travels down the water column)?
The depth of the photic zone is affected by several factors, including the amount of light available from the Sun, the clarity of the water, the presence of particles in the water, and the angle of the Sun's rays.
The amount of light available from the Sun is the most significant factor. The brighter the sunlight, the deeper the photic zone can reach. Additionally, the clearer the water, the more sunlight can penetrate into the depths, extending the photic zone. If the water is cloudy or turbid, the light will be scattered and absorbed before it can reach the deeper levels of the ocean.
Particles in the water can also affect the depth of the photic zone. Suspended particles such as plankton, sediment, or organic matter can scatter and absorb light before it reaches the deeper parts of the ocean, thus reducing the photic zone.
Finally, the angle of the Sun's rays can influence the depth of the photic zone. When the Sun is lower in the sky, the angle of the light is more direct, allowing more sunlight to penetrate deeper. When the Sun is higher in the sky, the angle of the light is more oblique, allowing less sunlight to penetrate into the deeper levels of the ocean.
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