Most thermogenic pathways of futile cycling involve cycling between the hydrolysis and synthesis of
A) Heat shock proteins.
B) Fatty acids.
C) Glucose-6-phosphate.
D) ATP.
Answer: D
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_________ does not act as a satiety signal?
a. Cholecystokinin b. Increased glucose utilization c. Orexin d. Leptin e. Insulin
Ketonuria usually indicates abnormal metabolic processes that may be due to ________
A) diets very low in carbohydrates B) a transfusion reaction C) hepatitis or other liver pathologies D) obesity and gross overeating
The chloride shift refers to the
A. effect of chloride ions on the oxygen dissociation curve. B. exchange of chloride ions for bicarbonate ions across the red blood cell membrane. C. exchange of chloride ions for carbon dioxide across alveolar cell membranes. D. effect of chloride ions on hydrogen ion diffusion from red blood cells. E. exchange of chloride ions for hemoglobin across the RBC membrane.
Put these structures of the visual system in the order that they transmit light to the retina.
1. lens 2. aqueous humor 3. cornea 4. vitreous humor A) 1, 4, 3, 2 B) 2, 3, 4, 1 C) 3, 4, 1, 2 D) 1, 2, 3, 4 E) 3, 2, 1, 4