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Dmitry [639]
2 years ago
12

Answer the question below

Biology
2 answers:
Elina [12.6K]2 years ago
8 0
It is experiment because it is explaining the steps in which were being preformed in order to collect data and come to a conclusion which will be compared with the hypothesis
Butoxors [25]2 years ago
4 0

Answer:

Think the awsere is experiment

Explanation:

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What are the smallest blood cells in the frog?
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Answer:

Unlike typical mammalian red blood cells, those from amphibians, such as frogs, contain a DNA-bearing nucleus that is visible in the center of the cell. The circulatory system of amphibians is rather unusual, their hearts having three chambers, two atria, and a single ventricle.

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Positive

The design of the amphibian circulatory system is curious because blood accumulates oxygen in the lungs and is then returned to the heart before being pumped into the rest of the circulatory system. Therefore, a mixing between oxygenated and deoxygenated blood occurs as blood returning to the heart from the lungs is mixed with incoming blood from the body. Frogs handle this situation by having a very slow metabolism and by absorbing some oxygen through their skin. In addition, the ventricle does have some directional control over the distribution of the blood.

Negative

The presence of a nucleus in amphibian red blood cells allows researchers easy access to large quantities of amphibian DNA. Frog blood has both a solid and a liquid portion. The liquid plasma carries solid elements such as red and white blood cells. Blood can be collected from frogs and the red blood cells isolated by centrifugation. After removal of the residual plasma, purified cells can be treated with specific enzymes and detergents to digest the cellular envelope and release DNA from its protein complex. The DNA is then useful for scientific studies and experiments.

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Explanation:

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3 years ago
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I'm pretty sure that these are the right answers. Anyways I hope I helped!
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Why do injuries happen frequently for people who don’t exercise
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Aloiza [94]

two identical daughter cells

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The answer is for
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