VASCULAR
THE NEPHRON
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Most of the nephron’s cells contain a large amount of mitochondria, especially the proximal tubule, ascending loop of Henle and distal tubule. The reason is that these cells perform which of the following functions?
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filtration
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diffusion
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osmosis
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active transport
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Explanation:
Detailed explanation-1: -Another notable feature of these cells is that they are densely packed with mitochondria (the cell’s energy generators). The mitochondria ensure a good supply of energy is available to fuel the active transport systems needed for efficient reabsorption.
Detailed explanation-2: -The density of mitochondria varies along the nephron, and while it is high in the proximal tubule (Fig. 2), it is actually higher in more distal parts such as the thick ascending limb of the loop of Henle.
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