Answer:
mitochondria and chloroplast
Explanation:
USA test prep
Answer:
mitochondria and chloroplast
Explanation:
I did it
All members of a species living in the same location are called a
population
genus
community
ecosystem
Answer:
population is the best answer
where are your adrenal glands located in your body
One way scientists can analyze and interpret data to identify potential environmental factors is by (1 point)
studying how genes are organized in DNA of one organism.
analyzing the distribution or variation in traits across a population.
determining how traits are expressed in an organism.
confirming that a trait is always expressed in an organism.
Answer:
I think its analyzing the distribution or variation in traits across a population.
Explanation:
Environmental factors include factors in the surroundings that can have impact on humans. This include climate, temperature, population density, pollutants etc.
A way that scientist can analyze and interpret data to identify the potential environmental factors is by analyzing the distribution or variation in traits across a population.
Across a population, environmental factors might play a role with regards to any of the factors including distribution by allowing for variations to occur in these traits.These variations can then be studied and analyzed. The other options are determined by genetic factors.Learn more: https://brainly.com/question/3238334
In creating recombinant DNA, some restriction enzymes produce ______ ends in both the source DNA and plasmid DNA, and these ends can stick to each other by ______.
Answer: Single-stranded; complementary base pairing
Explanation:
Restriction enzymes are essential components of recombinant DNA technology because they can be extracted from bacterial cells and utilized in the lab to modify DNA fragments, including those that contain genes (genetic engineering).
What recombinant DNA produce by restriction enzymes?An isolated bacterial protein called a restriction enzyme breaks DNA at specific sequence-specific locations to produce DNA fragments with a known sequence at each end.
For several laboratory techniques, such as genetic engineering and recombinant DNA technologies, restriction enzymes are essential.
Therefore, In creating recombinant DNA, some restriction enzymes produce Single-stranded ends in both the source DNA and plasmid DNA, and these ends can stick to each other by complementary base pairing.
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5. What is the role of DNA poly-
merase in DNA replication?
Answer:
DNA polymerase (DNAP) is a type of enzyme that is responsible for forming new copies of DNA, in the form of nucleic acid molecules. ... DNA polymerase is responsible for the process of DNA replication, during which a double-stranded DNA molecule is copied into two identical DNA molecules.
A sieve is a container with a mesh or perforated bottom. What is the most common use for a sieve? A. to steam cook chemicals in the lab B. to store liquid substances C. to allow gases to escape from reactions D. to filter larger particles out of a mixture
Answer: D
Explanation: Sieves are used to separate the solid smaller particles from a mixture. They are usually made of metal or fine plastic mesh, with openings between the wires that are sized according to the sizes of the desired particles in the mixture. Dried foods such as beans and rice are separated by using screens with openings of different sizes, small for whole grains, larger for cracked grains. Other kinds of products which require separation may be filtered through sieves, including sugar mixtures before they are packed or bottled.
The erythrocytes main function is which of the following?
Kill invaders/pathogens
Keep the oxygen supply flowing
Close open wounds by clotting
Answer:
The 2nd option. "Keep the oxygen supply flowing"
Erythrocytes carry oxygen to tissues which turns into energy. It also carry carbon dioxide away from the cells.
what is the genotype of a ""normal"" male with no hemophilia a?
Answer: XHY
Explanation:
The hemophilia disease will be present in the progeny if they solely carry the Xh allele/alleles and lack the XH gene, the genotype of man is XhY.
What is hemophilia?Haemophilia was once thought of as an example of Mendelian inheritance since the disease phenotype is caused by a mutation in just one gene (F8 or F9).
But research has shown that the illness has strong genetic and phenotypic heterogeneities. The gene for either the factor VIII protein or the factor IX protein has a mutation (different from normal) in hemophilia patients.
The mutation makes the body manufacture insufficient amounts of factor VIII or factor IX.
Therefore, A normal phenotype will result from having one XH allele because this condition is recessive, the genotype of a man is XhY.
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Through the activated channels, ____________ now flows outwards causing the membrane to repolarize back towards RMP.
Answer:
potassium
Explanation:
HELP PLEASE! TY
A. How are radio waves used to create radar maps?
B. How does reflectivity help meteorologists figure out the weather shown on
radar maps?
A. These signals have been calibrated against actual visual and location readings for the amount of rain falling and cloud water content.
B. Reflectivity of an object helps indicate the amount of water that a cloud may carry. The stronger the reflected signal from the radar signal sent out, the easier the meteorologist will be able to tell what to expect.
I hope i helped! :D
Please, help! If you don't know, please don't give me the wrong answer.
Answer:
Option C
Explanation:
The hydrogen atom in the water bond to the hydrogen atoms in the air create a greater surface tension than most other liquid..
PLEASE MARK ME AS BRAINLISTAnswer:
C
Explanation:
unequal sharing of electrons between the atoms and the unsymmetrical shape of the molecule means that a water molecule has two poles - a positive charge on the hydrogen pole and a negative charge on the oxygen pole.
1
In (mutualism, parasitism,commensalism) both organisms benefit.
Answer:
Mutualism is a symbiotic relationship in which both species benefit. Commensalism is a symbiotic relationship in which one species benefits while the other species is not affected. Parasitism is a symbiotic relationship in which one species (the parasite) benefits while the other species (the host) is harmed.High-energy electrons from NADH and FADH2, are passed into and along the____ The energy from the electrons moving down the chain is used to move H+ ions across the_____ H+ ions build up in the_____ space, making it_____ charged and making the matrix negatively charged. in the inner membrane. H+ ions move through channels of______ The ATP synthase uses the energy from the moving ions to combine ADP and phosphate, forming high-energy______
Answers:
High-energy electrons from NADH and FADH2, are passed into and along the electron transport chain .
The energy from the electrons moving down the chain is used to move H+ ions across the inner membrane .
H+ ions build up in the intermembrane space, making it positively charged and making the matrix negatively charged.
In the inner membrane, H+ ions move through channels of ATP synthase .
The ATP synthase uses the energy from the moving ions to combine ADP and phosphate, forming high-energy ATP .
In chemiosmosis, the most direct source of energy used to convert ADP Pi to ATP is energy released ________.
Suppose white and brown fur in a species of rodent were due to different alleles at the same gene. An F1 cross between true breeding brown and white lines is set up. What evidence would best support white fur being dominant to brown
An F1 cross between true breeding brown and white lines is set up. What evidence would best support white fur being dominant to brown -----
The best evidence to show that white fur being dominant is when all the offspring after the cross are white instead of brown
They are therefore expected to produce heterozygous lines.
The evidence that would best support white fur being dominant is when all the lines produced are white despite being heterozygous.
A dominant trait is known to mask the expression of other traits.
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how are lymphatic capillaries different from blood capillaries?
Answer:
Lymphatic Capillaries are slightly larger in diameter than blood capillaries, and have closed ends (unlike the loop structure of blood capillaries). Their unique structure permits interstitial fluid to flow into them but not out.
Explanation:
Mr. Allen wanted to fill balloons for a party. He rented a helium tank that contained 0.4 cubic meters of helium gas. He was concerned that the gas would not fill many balloons, but it filled 27 large balloons! Why was the small tank of helium gas able to fill so many balloons?
A. Helium mixed with air when it came out of the tank.
B. The helium expanded to fill its new containers, the balloons.
C. Helium molecules are very small in size.
D. The volume of gas in the balloons equaled the volume of gas in the tank.
Given what we know about the behavior of gases like helium, we can confirm that the small tank of helium was able to fill so many balloons because the helium expanded to fill its new container, which is the balloon.
Helium is a chemical element known as a noble gas. Like all other elements in a gaseous state, the atoms that comprise helium are spaced apart. This allows the gas to be compressed, a property that manufacturers of the gas take advantage of since they can compress a large amount of gas into a small container.
This is precisely what is happening in the question. The small tank of helium, despite being small in size, contains a large amount of compressed helium gas. Therefore, once it is released from the container, the gas expands to fill its new container, which in this case is the balloons, because of this, a relatively small tank of helium was able to fill many large balloons.
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i cant understand this huh
Answer:
Ciliated epithelium
When the columnar or cuboidal cells bear cilia on their free surface they are called ciliated epithelium. Their function is to move particles or mucus in a specific direction over the epithelium organs like bronchioles and fallopian tubules.
FIRST ONE TO ANSWER GETS BRAINLEST ANSWER How does the skull's structure help it perform its function?
a. The skull has marrow in it which produces blood cells
b. The skull has sharp teeth which are used in eating
c. The skull is hard which protects the brain from being injured
d. The skull is flexible which allows the brain to grow
Answer:
c. The skull is hard which protects the brain from being injured
Explanation:
Answer:
The one that makes sense is C.) "The skull is hard which protects the brain from being injured." here's why:
Explanation:
The skull performs vital functions. Mainly, it supports and protects the head's soft tissues. The baby's skull is soft but as the bones developed, the bones of the skull form a tough, fibrous membrane and slowly fuse to form a single skull. The mandible is the only bone that separates from other parts of the skull. The skull or known as the cranium in the medical world is a bone structure of the head. It supports and protects the face and the brain. The adult skull has a total of 22 individual bones. They don’t move and united into a single unit. The skull performs vital functions. Mainly, it supports and protects the head’s soft tissues. The baby's skull is soft but as the bones developed, the bones of the skull form a tough, fibrous membrane and slowly fuse to form a single skull. The mandible is the only bone that separates from other parts of the skull. So, as our cranium grow it gets tough enough to protect the brain from injury!
hopefully I helped! have a great day!
Which statement is a hypothesis?
A. If an earthworm is given a choice, it will move toward darkness rather than light.
B. The earthworms must all be the same species.
C. Do earthworms prefer bright light or darkness?
D. Most of the earthworms moved to the shaded area during the experiment.
Answer:
it answer A because of if.
where is the electron transport chain located?
Answer: inner mitochondrial membrane
Explanation:
I got asked this question <3
Write a hypostasis based on observations on identifying unknown materials and scientific principals.
Answer:
Until the past decade, scientists, research institutions, and government agencies relied solely on a system of self-regulation based on shared ethical principles and generally accepted research practices to ensure integrity in the research process. Among the very basic principles that guide scientists, as well as many other scholars, are those expressed as respect for the integrity of knowledge, collegiality, honesty, objectivity, and openness. These principles are at work in the fundamental elements of the scientific method, such as formulating a hypothesis, designing an experiment to test the hypothesis, and collecting and interpreting data. In addition, more particular principles characteristic of specific scientific disciplines influence the methods of observation; the acquisition, storage, management, and sharing of data; the communication of scientific knowledge and information; and the training of younger scientists.1 How these principles are applied varies considerably among the several scientific disciplines, different research organizations, and individual investigators.
The most extreme state of __________________ is a life-threatening condition called thyroid storm, in which enormously excessive quantities of thyroid hormones are released into the bloodstream.
Answer:
thyrotoxicosis
Explanation:
describe the negative impacts to an ecosystem of large-scale monocultures of crop
plants and of intensive livestock production
Answer:
CHECK THIS LINK YOUR QUESTION WILL BE ANSWERED.
https://www.goconqr.com/mindmap/4978927/negative-impacts-on-an-ecosystem-of-large-scale-monocultures-of-crop-plants
Explanation:
The Middle East and Eurasia (primarily Russia) have about 70% of the world's
Select one:
Оа.
natural gas reserves.
on
O b. coal reserves.
O coil reserves.
O d. peat reserves.
a. Natural gas reserves
state one reason why the movement of molecules in method C represents active transport.
Answer:
Because molecules are moving from an area of low concentration to an area of higher concentration and thats require energy
a movement away from the midline of the body is termed
Answer:
A movement of a body part away from the midline, either of the body as a whole or that of the hand or foot, is termed abduction (L., to carry away). A movement of the body part back toward the midline (i.e., to the anatomical position) is known as adduction.
Explanation:
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Abduction is a movement away from the body's midline. Abduction is the term for a bodily part's lateral movement away from the body's midline.
Thus, body parts are divided or spread apart in this process. Abduction of the arms, for instance, occurs when you raise your arms from a resting posture and spread them out to the sides. Similar to this, you are practicing leg abduction when you stretch your legs apart.
Adduction, or the movement in the direction of the midline, is the reverse of this action. Important terminology like abduction and adduction are used to describe movement in respect to the body's midline in anatomical and physiological descriptions.
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how many sperm are produced in the testes each day?
Answer:
300 million..........
. A kidney cell is an example of which type of cell?
a. somatic cell
b. germ cell
c. sex cell
d. haploid cell
Answer:
A. Somatic cell
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Explanation:
What is observational classification
Answer:
Three types of observational studies include cohort studies, case-control studies, and cross-sectional studies