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aksik [14]
3 years ago
10

Choose 1 Transport Mechanism in a cell and make a relatable analogy based on your experience recently. Explain .

Biology
1 answer:
timofeeve [1]3 years ago
6 0

Answer:

<u>Active transport across membranes is like refilling an empty soda can after pouring the soda into a cup. It takes effort (energy in the form of ATP) to pour the soda back into the can, it wouldn't typically happen on its own.</u>

Explanation:

Cells use several transport mechanisms to move substances across their plasma membranes. Plasma membranes control all movement of substances through passive transport,  which does not use energy; and active transport which requires chemical energy in the form of ATP.

Active transport moves substances out of cells against their gradients. In the cell, glucose can be transported inwards for respiration. However, because the internal environment is typically concentrated, (and glucose is needed in high amounts) this requires the use of transport enzymes and ATP.

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The correct answer is option - C.

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Question 12 Multiple Choice Worth 5 points)
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The third statement is incorrect not only because it contradicts the principle of mass conservation, but because—if anything—mass is lost in the course of an inefficient chemical process like photosynthesis in the form of energy wasted as heat.

The last statement is incorrect for the same reason as the second statement is incorrect; the products are completely different substances from the reactants. For example, one of the products—glucose—can undergo combustion. One of the reactants, water, cannot combust.
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