Answer:
The correct statement that explains why none of Queen Victoria’s daughters had hemophilia is: Females with hemophilia must inherit the gene from both parents to be affected.
Hemophilia is a sex-linked recessive disorder, which means it is located on the X chromosome. Males have one X chromosome and one Y chromosome, while females have two X chromosomes. A male who inherits a hemophilia gene on his X chromosome from his mother will have the condition because he does not have a second X chromosome to mask the effects of the gene. However, a female who inherits a hemophilia gene on one X chromosome will not have the condition if her other X chromosome has a normal gene that masks the effects of the hemophilia gene. In other words, a female with only one hemophilia gene is a carrier of the disorder but does not express it.
Therefore, Queen Victoria's daughters, who received one X chromosome from their mother (who was a carrier of the hemophilia gene) and one X chromosome from their father (who did not have the hemophilia gene), did not have hemophilia because they inherited the normal gene from their father that masked the hemophilia gene from their mother.
Explanation:
hope its help <:
Answer:
D. Females with hemophilia must inherit the gene from both parents to be affected.
Explanation:
took the test and got it right
HELP.I think I got digital eye strain but I think it got worse I played on my iPad yesterday for a long time and both my eyes got red like strings kinda big going towards my eyes when I slept and when I woke up today! My eyes were still kinda the same but I slept at 10pm and it’s kinda blurry when I look from far
Answer:
It’s just eye strain from the light emitted from your iPad.
Based on the learner a, b and c ,choose one of the certificate and identify two courses you would follow with such a certificate
Undergraduate and graduate certificate programmes are the two main categories. Students with a high school diploma or a GED can enrol in undergraduate certificate programmes.
What types of school certifications are there?Educational certificates come in a variety of forms, depending on their intended use, including marksheets, legitimate certificates, provisional certificates, gap certificates, backlog certificates, migration certificates, character certificates, and certificates for study, among others.
Why are certificate programmes essential?A professional certificate programme has many advantages, one of which is that it boosts your chances of getting promoted or paid more at your current company while also creating new work options. As a result, upgrading one's skills is advantageous for both working professionals and all recent grads.
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Which of the following is the best example of heating by conduction on Earth
A. light from the sun, strikes the surface of Earth and heat it up.
B. Air is heated one a comes into contact with the hot surface of Earth.
C. Water warm at the equator carries he went in flows to the North and South Poles.
D. heat energy travels across empty spaces from the Sun to Earth.
Answer:
The answer is A
Explanation:
It wouldn't be B because it uses convection (Heat travels through a liquid or gas). In Bs case the heat travels through air.
It wouldn't be C because it also uses convection (Heat travels through a liquid or gas). Opposite from B the heat travels through liquid.
Finally it wouldn't be D because it travels through empty space, which uses electromagnetic radiation (Radiation is the transfer of heat energy through space). The heat travels through space not by direct contact.
:
The light makes contact with Earth. Usually Conduction is through Direct Contact, but here it is light touching Earth using radiation. So, here you see two types of heat transfer radiation and conduction.
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Wildebeests: A Keystone Species Use the data provided to answer the question below in CER format. Make sure to use at least two pieces of evidence to claim and provide reasoning. FIRE! Fire is actually an important component of savanna ecosystems. Fire kills young trees and seedlings, reducing the number of big adult trees that grow over time. Since trees compete with grasses for light and soil moisture, fire actually helps the grasses and keeps the savannas open. Dr. Rico Holdo, a professor at the University of Missouri, and his colleagues modeled and wrote about the interactions of fire, rain, grasses, trees, and the various animals in the Serengeti. The interactions get complicated quickly, but I’ll try to give you a run-down of how they see fire acting in this ecosystem. First, as I’ve mentioned, fire suppresses trees and encourages grasses. If you have both fire and rain, but no animals, then something interesting happens: the rain encourages the trees, but it encourages the grasses, too. As the grasses get taller, there is more fuel for fire, and the fires become more widespread and more damaging. These fiercer fires really hurt the trees – in fact, the damage from fires (because of more rain) is more important than the extra boost the trees get directly from the rain. So more rain actually means fewer trees. With me so far? We’re now going to throw animals into the mix – well, at least some of the animals. Let’s talk about the grazers. The grazers eat the grass, and this reduces the fuel available to fire. If you have a lot of grazers, like we do in the Serengeti, the grass height is reduced a lot. That means fewer fires and that rain once again helps the trees. Further, many of the grazers are migratory and move around the landscape a lot. They don’t eat the savanna grasses in a neat, tidy, organized way. Instead, they create a patchy mosaic of grass heights, and with those different grass heights come different susceptibility of patches of grass to burn. With rain and fire and grazers, we now have a landscape of grasses of different lengths, patchy fires, and some areas dense with trees and some areas with fewer trees. All that variation means more diversity – more diversity of the grasses, plants, and trees, and more diversity of the animals that rely on them. All that diversity is due, in part, to fire. A Keystone species is a plant or animal that plays an important and unique role in how the ecosystem functions without the key stone species to ecosystem would be very different. One scientist identified Keystone specie it to look as how changes to their abundance (number ) affect other organisms. Often, there are many indirect effects of changes to ecosystems. Claim The wildebeest in the Serengeti are a keystone species. What evidence supports this claim? (Make sure to provide reasoning)
The data that supports this idea is wildebeest grazing behaviours assist reduce grass height and prevent fire spread.
What reasons are behind wildebeest in the Serengeti?Evidence 1: Wildebeest's grazing behaviour lowers grass height and inhibits the spread of fires. As indicated in the article, grazers like wildebeest eat the grass and minimise the fuel available for flames, which prevents fires from spreading and destroying the trees.
Evidence 2: Wildebeest migration patterns can result in a patchy mosaic of grass heights that influence how susceptible grass patches are to burning. According to the article, wildebeest migrate and produce a patchy mosaic of grass heights. This also means that some areas of the savanna are dense with more trees, while others have fewer trees.
As a result of their grazing practises and migration patterns, which support the preservation of a diversified ecosystem, wildebeest are a keystone species in the Serengeti. In the absence of wildebeest, grass height would rise, resulting in more frequent and destructive fires. The ecosystem's diversity would decline and the effect on the trees would be harmful.
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17. An instructor leads_____ in a group format at the front of the class.
OA. personal training sessions
OB. training outlines
OC. fitness classes
OD. fitness workshops
Answer:
OC. Fitness classes.
Explanation:
Fitness classes are typically conducted in a group format led by an instructor at the front of the class. The instructor guides the participants through various exercises, movements, or routines designed to improve their fitness levels. Examples of fitness classes include aerobics, spinning, Zumba, yoga, and Pilates. Personal training sessions, on the other hand, are typically one-on-one sessions with a trainer, where the workout program is customized to the individual's needs and goals. Training outlines and workshops are instructional materials or educational sessions designed to teach specific skills or knowledge.
Describe, using relevant examples, the attributes required for, and
responsibilities of, sports leadership.
Describe the attributes of two the successful sports leaders Mo Farah and Harry Kane
Explain the attributes required for, and responsibilities of, sports
leadership.
Evaluate the attributes of two successful sports leaders.
Compare and contrast the attributes of two successful sports leaders.
Compare and contrast the attributes of the two successful sport leaders Mo Farah and Harry Kane
Effective sports leadership requires a combination of various attributes, including excellent communication skills, motivation, self-confidence, strategic thinking, integrity, and the ability to inspire and influence others.
What are the attributes required for, and responsibilities of, sports leadership?The responsibilities of sports leadership can vary depending on the specific role, but often include setting goals, creating and implementing game plans, providing guidance and direction to team members, leading by example, and managing team dynamics.
Mo Farah and Harry Kane are both successful sports leaders who possess several key attributes.
Mo Farah is an Olympic gold medalist in long-distance running, and his attributes include discipline, perseverance, resilience, and mental toughness.
Harry Kane, on the other hand, is a successful football player and captain of Tottenham Hotspurs. His attributes include strong leadership skills, good communication, and teamwork.
Both Farah and Kane demonstrate the importance of possessing a combination of key attributes, such as discipline, resilience, leadership, and communication.
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What are the effects of dam
removal on a river and its
watershed? of water does
Dam removal can affect water quality through the downstream transport of sediment-bound contaminants (e.g., organic substances and heavy metals) and the alteration of biogeochemical cycles.
13. Marcus looks at the rock layers shown in the picture. Write one letter in each blank to correctly complete the sentences. Some letters may be used more than once.
Answer: (Top to bottom) Older, The Same, The Same
Explanation:
patch adams movie
1. What is the film all about? Summarize in 5-10 sentences.
2. What moments, characters, or ideas resonated with you while watching this movie? What about them? Why did you connect with them?
3. What was/were the scientific breakthrough(s) in the movie that led to today's scientific advancement?
4. What were the scientific challenge(s) encountered by the main character(s) of the story and how did the character(s) overcome it/them?
5. What thoughts does this movie spur in you? What does it make you think about? 6. What were the issues shown in the film related to modern society?
Patch Adams is a 1998 American medical comedy-drama film based on the life story of Dr. Hunter "Patch" Adams, a medical doctor who became famous for his unconventional medical practices.
1. The film follows Patch Adams on his journey to becoming a doctor and highlights his various attempts to bring laughter and joy into the lives of his patients. Through his unconventional practices, he is able to heal patients who had previously been written off as untreatable.
2. The moments, characters, and ideas that resonated with me the most in Patch Adams were those that reminded me to use my own empathy and compassion to help those in need.
3. One of the main scientific breakthroughs in the film was the development of a new approach to medicine.
4. One of the main scientific challenges encountered by Patch and his colleagues was the resistance to his unconventional approach to healing. Many of his colleagues believed that his methods were too unorthodox and could not be effective.
5. This movie makes me think about the importance of using empathy and compassion in medical practice.
6. The film touches on a number of issues related to modern society, including the need for empathy and compassion in medical practice, the importance of relationships and human connection, and the power of kindness.
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If substrate concentration is kept permanently high and the enzyme concentration is gradually increased,the rate of activity of the enzyme will:
A.increase
B.increase and then decrease
C.increase and then level off
D.stay the same
If substrate concentration is kept permanently high and the enzyme concentration is gradually increased, the rate of activity of the enzyme will increase and then level off. Option C
As the number of enzymes available to catalyze the reaction is abundant, the rate of the enzyme's activity will initially rise when the enzyme concentration is increased.
At the same time when the enzyme concentration continuously rises, eventually, all the substrate molecules will be consumed, and at this point, it gets stagnant where the pace of the reaction will decrease with the addition of more enzymes. This is referred to as the reaction's maximum velocity.
Hence, when the enzyme concentration is increasing steadily while still maintaining a persistently high substrate concentration, then the rate of the enzyme's activity will rise and then level off.
Therefore Option C is correct
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Sugar, phosphate, and the nitrogenous bases adenine (A), thymine (T), guanine (G), and cytosine (C) make up DNA. (C). The genetic makeup of an organism is determined by the order in which these nucleotides are arranged in DNA.
How are the form and function of a protein determined by the DNA's structure?The amino acid sequence of the protein molecule is directed by the sequence of bases on the DNA molecule; this is how it all comes together! Therefore, the amino acid sequence of a protein is encoded by the base sequence in DNA.
How does the function of DNA depend on its structure?Because of its distinctive structure, DNA can replicate itself during cell division. The DNA helix divides into two separate strands when the cell gets ready to divide.
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Write only 3 letter abbreviations in capital letters for the amino acid in each box
ALA - Alanine
ARG - Arginine
ASN - Asparagine
ASP - Aspartic acid
CYS - Cysteine
GLN - Glutamine
GLU - Glutamic acid
GLY - Glycine
HIS - Histidine
ILE - Isoleucine
LEU - Leucine
LYS - Lysine
MET - Methionine
PHE - Phenylalanine
PRO - Proline
SER - Serine
THR - Threonine
TRP - Tryptophan
TYR - Tyrosine
VAL - Valine
What are amino acids?Amino acids are organic compounds that are used to construct proteins. They are composed of an amino group (-NH2), a carboxyl group (-COOH), and a side chain (R group), all attached to a central carbon atom (alpha carbon). There are 20 different amino acids that can be found in proteins, each with a different side chain, which gives them unique chemical properties.
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Much like auxin in a stem causes it to grow upward, the auxin in which structure makes it grow downward?
Responses
flowers
roots
gametes
leaves
Answer :Roots
Explanation: Gravitropism is based on the redistribution of auxin in the elongation zone of the developing root. If the root is not growing vertically downward, then auxin accumulates in the lower parts of the root, inhibiting cell elongation and causing the root to bend in the direction of gravity.
Why has fat been called a natural hazardous waste site?
Please choose the correct answer from the following choices, and then select the submit answer button.
Answer choices
because it accumulates fat-loving synthetic organic chemicals
because it increases the carbon footprint of its consumers
because it increases the likelihood of intestinal tract damage
because it depletes the potential for protein to be absorbed
because it accumulates fat-loving synthetic organic chemicals.
Fat has been called a natural hazardous waste site because it has the tendency to accumulate fat-loving synthetic organic chemicals such as pesticides, industrial chemicals, and heavy metals.
What is Organic Chemicals?
Organic chemicals are chemical compounds that contain carbon atoms in their molecules and are typically produced by living organisms or are synthetically made to mimic natural organic compounds. They can be found in a variety of substances including food, fuels, medicines, plastics, and pesticides.
These chemicals are lipophilic, meaning that they have an affinity for fats and oils, so they tend to accumulate in fatty tissues of animals, including humans. This bioaccumulation of toxic substances in fatty tissues can result in health problems for humans, including hormonal imbalances, reproductive problems, and increased risk of cancer. Therefore, it is important to minimize exposure to such chemicals and maintain a healthy body weight through balanced diet and exercise.
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Advise fellow learners on how to effectively practice the following to ensure the achievement of their goals
Answer:
Explanation:
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Keep pushing yourself to improve, and don't be afraid to make mistakes or try new approaches. With dedication and perseverance, you can achieve your goals.
What is goal?Goals refer to the specific targets or objectives that a person or organization aims to achieve within a set period of time.
Follow these steps to effectively practice and achieve your goals:
Set specific and attainable goals: Determine what you want to achieve and set specific and measurable goals to help you get there. Make certain that your objectives are both attainable and realistic.
Make a plan: Create a plan that outlines the steps you must take to achieve your objectives. Break your plan down into smaller, more manageable tasks that you can complete.
Schedule your practice sessions as follows: Schedule regular practice sessions and make them a priority in your schedule. Consistency is essential for achieving your objectives.
Prioritize quality over quantity: It is preferable to practice for a shorter period of time with a high level of focus and intensity than to practice for a longer period of time with no focus or purpose.
Thus, these are some steps to effectively practice the following to ensure the achievement of their goals.
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Fermenter is the heart of fermentation process- explain
In the fermentation process, the fermenter is a container that offers a regulated environment for microorganisms to transform carbohydrates into desired products. It enables process monitoring and control, leading to high yields of high-quality goods.
What other names are given to fermenters?Fermentors, commonly referred to as bioreactors, are sterile, enclosed tanks used for the ideal development of microorganisms. Large-scale cultivation of the microorganisms is possible to develop metabolites with industrial applications.
What components of a fermenter are crucial?One of the fermentor's key components is the aeration system. To maintain optimum aeration and oxygen availability throughout the culture, a good aeration system must be chosen.
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When would the inclusion of meat actually increase the food available to a community?
when the animals are fattened quickly in feedlots, leaving farmland free to grow food crops instead of being kept as pasture
when livestock animals are eaten only after they die of natural causes, not when they are raised to be slaughtered
when animals are raised on land that would not support a food crop
when meat animals are raised efficiently, such as in a CAFO
C is the answer that best captures situations in which the presence of meat actually expands a community's food supply. when a crop would not be able to grow on the land where the animals are reared.
How does the meat quality of the animals differ depending on the production system?Both extrinsic and intrinsic elements of the carcass and meat quality of livestock are impacted by production practises. Weight gain, age at slaughter, and carcass weight are examples of extrinsic factors that are impacted.
What impact does climate change have on the production of food?For instance, escalating heat waves, floods, droughts, and other extreme occurrences directly endanger soil health and food production, resulting in serious food shortages.
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what waste product is produced in the krebs cycle?
Answer: Carbon Dioxide
Explanation:
The product of this reaction is a two-carbon molecule called acetyl-CoA. The third carbon from pyruvic acid combines with oxygen to form carbon dioxide, which is released as a waste product
Creativity helps scientists (4 points)
use appropriate methods to date rocks.
use personal bias to select methods to date rocks.
prove that scientific methods are unchangeable.
prove that scientific explanations are unchangeable.
Correct answer is not B. Think next time will choose A, but what is correct?
The correct answer is Creativity helps scientists use appropriate methods to date rocks.
Why the scientists need to be creative while researching?Scientists often need to be creative in their approach to research problems, including the dating of rocks. They may need to develop new techniques or adapt existing methods to fit specific research questions or situations. Creativity can also help scientists identify new areas of inquiry or make connections between seemingly disparate fields of study.
However, personal bias should not play a role in selecting methods to date rocks, as this could lead to inaccurate or misleading results. It is important for scientists to remain objective and follow established scientific protocols when conducting research.
It is also worth noting that scientific methods and explanations are not necessarily unchangeable. Science is a constantly evolving field, and new discoveries or advancements in technology may lead to changes in the way research is conducted or how phenomena are explained. This is why scientific knowledge is always subject to revision and refinement as new evidence comes to light.
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The U.S. government does not require CAFOs to clean up their _____ as it does any other industry or municipality.
Please choose the correct answer from the following choices, and then select the submit answer button.
Answer choices
waste
safety regulations
facilities
accounting practices
Wastes. Animals are maintained and bred in restricted spaces at agricultural institutions that specialise in producing meat, dairy products, or eggs (CAFOs).
The animals are fed rather than grazing or otherwise looking for food in pastures, fields, or on rangelands.Even the tiniest CAFO produces as much urine and excrement as 16,000 humans would produce in a year.A CAFO can contain anywhere between hundreds of animals and millions.Dairy cows, hogs, and chickens are often the animals kept at CAFOs.Animals at CAFOs are housed in an area devoid of vegetation for at least 45 days or more per year.CAFOs feature large, windowless structures where cattle is housed in boxes or stalls as well as open feedlots.Learn more about CAFO here:
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factors affecting health and diseases through gene mutation
Gene mutations are changes in the DNA sequence that can lead to the development of certain diseases. Here are some factors that can affect health and disease through gene mutation:
Inherited gene mutations: Some gene mutations can be passed down from parents to their offspring. This can increase the risk of certain diseases, such as cystic fibrosis, sickle cell anemia, and Huntington's disease.
Environmental factors: Exposure to certain environmental factors, such as radiation, chemicals, and pollutants, can cause gene mutations that can lead to the development of diseases such as cancer.
Lifestyle factors: Lifestyle factors such as diet, exercise, and smoking can also affect gene mutations and disease risk. For example, a diet high in processed foods and low in fruits and vegetables can increase the risk of gene mutations and cancer.
Age: As we age, our cells undergo more divisions, which can increase the likelihood of gene mutations and disease.
Preexisting health conditions: Certain health conditions, such as chronic inflammation, can also increase the risk of gene mutations and disease.
It's important to note that not all gene mutations cause disease, and many factors can interact to determine whether or not a gene mutation leads to a disease. By understanding the factors that affect gene mutations and disease risk, we can develop strategies to prevent and treat diseases.
True or false muscle cells undergo both mitosis and meiosis 
Answer: false
Explanation:
In one experiment, the parietal generation is formed by pure parents colored yellow (VV) and green (vv). All individuals formed in the crossing of the P generation have a yellow color (Vv) and are called the F1 generation.
The crossing of F1 components generated offspring for the F2 generation, three of which were yellow (VV, Vv and Vv) and one was green (vv).
According to the factors that determine the color of the generated individuals, it is possible to state that
a) The yellow color is dominant and the green color is recessive.
b) The yellow color is recessive and the green color is dominant.
c) The color of the factors is determined by heredity in one of the genes.
d) One color is expressed at the expense of the inactivity of the other.
Correct alternative: a) The yellow color is dominant and the green color is recessive.
As observed in his experiment, Mendel identified that two factors determine the color of peas: a dominant for the yellow color and a recessive that expressed the green.
The dominant gene is the one that determines a characteristic, even when in simple doses in the genotypes. The recessive gene is only expressed when in double dose, because in the presence of a dominant, it becomes inactive.
1. Only ERCs are not transmitted to daughter cells during replicative aging
a. True
b. False
2 . Old mother cells have a fragmented nucleolus because of highly accumulated ERCS
a. True
b. False
Explain please
The statement that only ERCs are not transmitted to daughter cells during replicative aging is False.
The statement that old mother cells have a fragmented nucleolus because of highly accumulated ERCS is False.
What is replicative aging?Both ERCs (Extrachromosomal rDNA Circles) and nuclear DNA mutations are not transmitted to daughter cells during replicative aging.
ERCs are circular DNA molecules that accumulate in the mitochondria of cells during aging and can cause mitochondrial dysfunction. Mitochondria are only inherited from the mother cell during cell division, hence ERCs are not transmitted to the daughter cells during replicative aging.
Old mother cells have a fragmented nucleolus due to defects in the nucleolar organization rather than the accumulation of ERCs.
The nucleolus is a specialized structure within the nucleus responsible for ribosome biogenesis. During aging, the nucleolus becomes fragmented and disorganized, which can affect the production of new ribosomes and contribute to cellular dysfunction.
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George conducted an experiment on spinach plants. He tested the effect of different colors of light on plant growth., George set up five boxes, each with different colored lights inside: red, blue, violet, green, and orange. He planted the spinach seeds and placed three plants in each box. After 30 days, George measured the height of each plant and recorded the data. The data collected is displayed in the bar graph.
Study the graph carefully, and write a conclusion paragraph to summarize the data. Write about things like:
-which light caused the spinach plant to grow the tallest on average?
-which light caused the spinach plant to grow the least on average?
-which light/lights are used most during photosynthesis based on the results?
It is evident from the information gathered from George's experiment that the colour of light significantly affects the growth of spinach plants.
What impact do the various lighting colours have on plant growth?Various coloured lights aid plants in achieving various objectives. Plants can blossom when red and blue light are present together. In a society where plants are the primary source of food, understanding how different light hues can influence a plant's behaviour is crucial.
What colour of light would be most helpful for viewing spinach and what colour would be least helpful?As most plants are green, chlorophyll reflects green light. Green light is therefore ineffective at driving photosynthesis and cannot be utilised in the process.
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Why would some people think that biotech engineers are “Playing God”?
Answer:
Some people may think that biotech engineers are "playing God" because they are manipulating living organisms and genetic material in ways that were previously impossible. This may be perceived as overstepping human boundaries and interfering with the natural order of things.
Additionally, some people may view biotech engineering as a threat to traditional values and beliefs, particularly in the areas of religion and ethics. For example, genetically modifying animals or plants to enhance certain traits or abilities may be seen as altering the natural order of things or "playing God" in a way that is morally or ethically questionable.
Furthermore, concerns about the safety and long-term effects of biotech engineering may also contribute to the perception that engineers in this field are "playing God". There may be concerns about unintended consequences, such as the creation of unintended mutations or the spread of genetically modified organisms to unintended locations.
Overall, the perception that biotech engineers are "playing God" is rooted in concerns about the ethical and moral implications of manipulating living organisms and genetic material in ways that were previously impossible.
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5. While there are five muscle groups most commonly targeted in resistance training, how many muscle groups are usually targeted by one exercise?
O A. One or two
B. Four or five
OC. Two or three
D. Three or four
Answer: C. Two or three
Explanation:
What are the three components of a nucleotide? (HINT: What were the three components used in putting the model together? Remember that Adenine, Guanine, Cytosine, and Thymine are all Nitrogen Bases!
Answer:
monkeys
Explanation:
monkeys can flyy
PLEASEEE
Electric vehicles have less range they can drive compared to plug-in hybrid electric vehicles.
True
False
Answer:
This statement is False.Explanation:
Plug-in hybrid electric vehicles (PHEVs) have both an electric motor and a gasoline engine, while electric vehicles (EVs) only have an electric motor powered by a battery. EVs typically have a larger battery capacity and range than PHEVs, which rely more heavily on their gasoline engines for longer drives. While the range of EVs can still be limited by the capacity of their batteries, they generally have a longer range on a single charge compared to PHEVs. However, it is worth noting that both EVs and PHEVs can vary in range depending on their specific models and battery capacities.
name four characteristics that annelids and flatworms have in common
The characteristics that annelids share with flatworms and roundworms are as follows:
All the organisms have bilateral symmetry.All the organisms are triploblastic.All have aquatic and terrestrial habitats.All are invertebrates.