A by-product of anaerobic respiration in muscle fibers is
A. uric acid.
B. pyruvate.
C. oxygen.
D. lactate.
E. hydrochloric acid.
Answer: D
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Growth hormone does all of the following except
A) promote bone growth. B) promote muscle growth. C) promote cortisol release. D) spare glucose. E) promote amino acid uptake by cells.
How are nephrons, collecting ducts, and collecting tubules related to each other?
A. One collecting duct drains into one nephron, and one nephron drains into one collecting tubule. B. One nephron drains into one collecting tubule, and several collecting tubules empty into a collecting duct. C. One nephron drains into one collecting duct, and several collecting ducts empty into a collecting tubule. D. One collecting tubule drains into one nephron, and several nephrons drain into one collecting duct. E. One nephron drains into several collecting tubules, and all tubules eventually lead to one collecting duct.
Which type of cell contains large amounts of lipids?
A. Stem cell B. Macrophage C. Osteoclast D. Mast cell E. Adipocyte
The only arteries in the body that carry oxygen-poor blood are the coronary arteries.
a. true b. false