JAMB Biology 2023 Objective — Question 9

Question 9 of 40 from the Joint Admissions and Matriculation Board (JAMB) Biology 2023 Objective paper, with the correct answer and a full explanation.

In humans, excretion of isotonic urine is associated with

A. proximal convoluted tubuleCorrect
B. distal convoluted tubule
C. Bowman's capsule
D. loop of Henle

Explanation

The concentration of urine in the nephron depends on the permeability of the tubules; in the proximal convoluted tubule, the urine remains isotonic.

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