What is a follicle composed of?
A) An oocyte
B) An organ in the ovary
C) An oocyte enclosed in follicular or granulosa cells
D) A group of granulosa cells
E) A group of follicular cells
C
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All the available nutrient molecules distributed in the blood form a
A) nutrient storehouse. B) nutrient reserve. C) nutrient pool. D) energy reserve. E) organic storehouse.
The concentration of ions in the chemical environment surrounding the neurons must be tightly regulated for neurons to function properly. Which of the following cells is most responsible for this?
A) satellite cells B) astrocytes C) Schwann cells D) oligodendrocytes
Vitamin D (calcitriol)
A) synthesis is stimulated by high calcium levels. B) is formed by sunlight and bound to plasma protein for transport. C) is formed by sunlight and synthesis is stimulated by high calcium levels. D) is bound to plasma protein for transport only. E) is formed by sunlight only.
Tubular secretion
a. involves transepithelial transport. b. is the movement of a substance from the peritubular capillary blood into the tubular fluid. c. always occurs by active transport. d. both (a) and (b) above. e. both (b) and (c) above.