An example of a gap junction is
A. an adhesion belt.
B. an intercalated disk.
C. a desmosome.
D. goblet cell.
E. a striation.
B
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Answer the following statements true (T) or false (F)
1. Thermoregulatory responses to increased heat are mediated by the sympathetic nervous division. 2. Most disorders of the autonomic nervous system reflect abnormalities of smooth muscle control. 3. Alpha-adrenergic effects are usually stimulatory and mediatory. 4. The adrenal medulla is considered a "misplaced" sympathetic ganglion by some. 5. Acetylcholine is the substance released by the axonal endings of the somatic efferent fibers and by the parasympathetic nerve fiber endings.
What is the result of the inflation reflex?
A. An increase in the duration of inspirations B. An increase in the duration of expirations C. A decrease in the duration of inspirations D. An increase in the duration of inspirations and a decrease in the duration of expirations E. A decrease in the duration of expirations
The process of ________ produces gametes.
A. ovulation B. proliferation C. mitosis D. meiosis
Taste is detected when chemicals bind receptors on the microvilli of:
A) gustatory cells. B) supporting cells. C) basal cells. D) olfactory cells.