If you wanted to stop the function of the sodium-potassium pump in a neuron, you could starve the cell of ATP because this pump is driven by
A. simple diffusion.
B. active transport.
C. osmosis.
D. phagocytosis.
E. facilitated diffusion.
B. active transport.
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Surgical removal of the pancreas would
A. increase the acidity of the small intestine. B. prevent the production of chyme in the stomach. C. eliminate the ability to store bile in the gallbladder. D. block the secretion of bile. E. All of these changes would be a result of pancreas removal.
Triiodothyronine (T3) is secreted by
a. pancreatic islet cells. b. the thyroid gland. c. the pituitary gland. d. the adrenal medulla. e. the adrenal cortex.
How much urine does the average adult human excrete per day?
A) 125 milliliters (1/2 cup) B) 1,000 milliliters (1 quart) C) 250 milliliters (1 cup) D) 500 milliliters (1 pint) E) 1,500 milliliters (1.5 quarts)
Which of the following statements concerning bacterial growth at high temperatures is not true?
A) High temperatures denature enzymes B) High temperatures are microbistatic C) High temperatures are microbicidal D) High temperatures destroy lipids