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cricket20 [7]
3 years ago
13

In carrying out normal activities, cells use oxygen and produce carbon dioxide. The concentration of oxygen is higher in the blo

od than inside the cell, so oxygen moves into the cell. Similarly, carbon dioxide moves out of the cell into the blood because the concentration of carbon dioxide inside the cell is greater than the concentration outside the cell.
How are the small molecules of oxygen and carbon dioxide moving through the cell membrane?
Biology
1 answer:
yan [13]3 years ago
8 0
<span>passive transport by diffusion</span>
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sleet_krkn [62]

Answer:

The answer is D.

Explanation:

The given situation in the question where an Adenine nucleotide is swapped for a Thymine nucleotide, which as stated are complimentary of each other just like guanine and cytosine, can cause all three types of mutations, frameshift nonsense, frameshift missense and silent because the situation is not specific to either of them. There is no information whether the change resulted in a change in the amino acid structures or not. In this case the best answer is D.

I hope this answer helps.

7 0
3 years ago
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12345 [234]
Salutations!

Which cells would you be most likely to find in the dermis?

A dermis is the beneath and upper layer of a cell that makes up the skin. The cells that are found in dermis is fibroblasts and macrophanges, and sometimes white blood cells and mast cells.

Thus, your answer is option D.

Hope I helped (:

Have a great day!
8 0
3 years ago
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3 years ago
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Trava [24]

Answer:

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Explanation:

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ra1l [238]

Answer:

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Explanation:

The adrenaline glands, located on top of both kidneys, are glands that produce hormones to regulate blood pressure, bodily functions, metabolisms, etc. Adrenaline is released whenever the blood is redirected towards the muscles, causing surges of energy. In general, adrenaline increases blood flow in your body, which causes the heartbeat to increase, or give the feeling of a racing heart. Between the football players and the heartbeat rate, they are getting rushes of adrenaline from either participating in the game or cheering on their team from the sidelines. Hope that made sense.

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