The kidney is involved in the reabsorption of solutes and water. The diagram shows a mammalian kidney tubule (nephron) with its blood supply. The electron micrograph shows part of a cell lining the proximal convoluted tubule. (Source: © Jose Calvo/Science Photo Library) Explain how structures $$\(A\)$$ and $$\(B\)$$ and their locations in the proximal convoluted tubule enable the reabsorption of solutes. (3) ................................................................................................................................................................................................................................................................................ ................................................................................................................................................................................................................................................................................ ................................................................................................................................................................................................................................................................................ ................................................................................................................................................................................................................................................................................ ................................................................................................................................................................................................................................................................................ ................................................................................................................................................................................................................................................................................ ................................................................................................................................................................................................................................................................................ ................................................................................................................................................................................................................................................................................ ................................................................................................................................................................................................................................................................................
Exam No：wbi15-01-que-20240608 Year：2024 Question No：7(a)(iii)
Answer:
An answer that includes the following points:
- orientation described (1)
- \{structure A / brush border / microvilli\} gives increased surface area (1)
- (more) \{structure B / mitochondria\}to supply ATP (1)
- orientation described (1)
- \{structure A / brush border / microvilli\} gives increased surface area (1)
- (more) \{structure B / mitochondria\}to supply ATP (1)
Knowledge points:
CH7 – Respiration, Muscles and the Internal Environment
Solution:
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