Incubation of cells at 20°C blocks the release of proteins from the trans-Golgi. Under such conditions, you would expect to see
A. an increase in exocytosis.
B. an increase in endocytosis.
C. a decrease in endocytosis.
D. a decrease in exocytosis.
Answer: D
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Which one of the following characteristics do animals, fungi, and protozoa have in common?
A) They obtain their carbon from carbon dioxide. B) They obtain their carbon from inorganic compounds. C) They obtain their energy and carbon atoms from chemicals. D) They obtain their energy from light.
Glycolysis and the Krebs cycle yield 10 molecules of NADH per molecule of glucose. How many molecules of ATP will be made from them in the electron transport system?
A. 38 B. 36 C. 10 D. 30 E. 2
Antigen exposure is necessary to stimulate B cells to
a. produce soluble antibodies. b. differentiate to plasma cells. c. induce genetic hypermutation in B cells. d. do all of the above.
If an individual has the genotype YyZz what gametes could it produce?
a. YyZz b. Yz, yZ, Yz, or yz c. Yy or Zz d. Y, y, Z, or z