The LH surge is caused by ________.
A. rapid increase in progesterone
B. more FSH receptors placed in granulosa cells
C. a quick drop in FSH
D. estradiol increasing frequency of GnRH pulses
Answer: D
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The affinity of hemoglobin for O2 is decreased in rapidly metabolizing tissues.
Answer the following statement true (T) or false (F)
Glycogen is stored in the liver and ________.
A. heart B. spleen C. skeletal muscles D. pancreas
Which of the following is a function of erythrocytes?
A. To defend the body against pathogens B. To initiate blood clotting C. To regulate erythropoiesis D. To transport nutrients E. To transport carbon dioxide
After being released, neurotransmitters bind to receptors on the
A) postsynaptic membrane. B) neuromodulators. C) synaptic cleft. D) synaptic vesicle.