The process of a sperm cell being released into the lumen of the seminiferous tubule is called
A) copulation.
B) spermiation.
C) fertilization.
D) spermatogenesis.
E) spermiogenesis.
B) spermiation.
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Exocytosis occurs as a result of
A. hydrostatic pressure. B. the expenditure of energy in the form of ATP. C. molecular movement with carrier assistance. D. concentration gradients. E. ion pumps.
A patient who has metabolic syndrome is at an increased risk for all of the following EXCEPT ________.
A. diabetes B. heart attack C. Hodgkin's disease D. stroke
The stalk that connects the hypothalamus to the pituitary is the
A) corpus callosum. B) infundibulum. C) insula. D) intermediate mass.
Depolarization of the plasma membrane, regardless of the cause of the depolarization, causes
A) voltage-gated K+ ion channels to close. B) voltage-gated Na+ ion channels to open. C) ligand-gated Ca2+ ion channels to open. D) ligand-gated Cl- ion channels to open. E) both A and B