Because the majority of active transport and reabsorption of solutes (eg. glucose, water) occurs here, the _________ of all the nephrons collectively account for about 6% of one's daily resting ATP and caloric consumption.
A. proximal convoluted tubules
B. distal convoluted tubules
C. loops of Henle
D. collecting ducts
E. glomeruli
Answer:
A. proximal convoluted tubules During the absorptive state
A. the principal regulatory hormone is glucagon.
B. blood glucose falls.
C. fatty acids are oxidized for fuel.
D. lipolysis is active.
E. gluconeogenesis is suppressed.
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