Following exocytosis, the empty vesicle is ________
a. degraded by lysosomal enzymes
b. opened and merged with the plasma membrane
c. returned directly to the Golgi body
d. released into the extracellular fluid
b
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Why do lymph nodes swell during an infection?
a. Macrophages accumulate in them. b. Bacteria accumulate in them. c. T cells accumulate in them. d. Production of lymphatic fluid increases. e. Production of mucous increases.
During what stages of the cell cycle are sister chromatids bound together by cohesin?
A. S, G2, prophase, metaphase B. S, G2 C. G1, S, G2 D. S, G2, prophase, metaphase, anaphase, telophase E. G1, S
The eukaryotic organelle that is directly involved in the transport of proteins synthesized on the surface of the rough ER is called the:
A. smooth ER. B. vacuole. C. mitochondrion. D. Golgi body. E. nucleus.
Where does secretion occur?
A. glomerulus B. collecting duct C. distal convoluted tubule D. loop of henle