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worty [1.4K]
4 years ago
11

How does oxygen move through the blood?

Biology
1 answer:
Bond [772]4 years ago
3 0

Answer:

Attached to hemoglobin.

Explanation:

The oxygen is important for the cellular functioning of cell. The carbon dioxide must be move out of the cell and oxygen should reach to each and every cell of the body.

Hemoglobin molecule has the ability to binds with the four molecules of oxygen. The oxygen moves in the body by binding with the hemoglobin molecules present inside the red blood cells.

Thus, the correct answer is option (a).

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Which of the following is a correct difference between active transport and facilitated diffusion?
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Answer:

Active transport requires energy from ATP while facilitated diffusion does not

Explanation:

Active transport and facilitated diffusion with the use of channel and carrier proteins are both ways by which ions, polar and large molecules cross a selectively permeable membrane.

The major difference is that; Active transport transport these particles from a low to high concentration, which is against concentration gradient and hence, energy is required to perform the task

Facilitated diffusion transport from a high to low concentration, which is through a concentration gradient and hence, no energy is required to perform the task.

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