Transcellular transport across the cell is regulated by ____________________ and ____________________ proteins
Fill in the blank(s) with correct word
channel; carrier
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Which of the following does not characterize the sympathetic nervous system?
a. It promotes responses that prepare the body for strenuous physical activity. b. It has some afferent fibers. c. Most of its postganglionic fibers are adrenergic. d. Its effects may be excitatory or inhibitory. e. Its postganglionic neurons display nicotinic receptors.
Cardiac muscle tissue
a. has well developed sarcoplasmic reticulum b. has fast myosin ATPase activity c. contracts only when stimulated neurogenically d. has gap junctions e. stores calcium in its T tubules
The secretion of aldosterone stimulates the tubular reabsorption of sodium and the tubular secretion of potassium
Indicate whether the statement is true or false
Cortisol
a. is the primary mineralocorticoid b. excess is responsible for Cushing's syndrome c. decreases blood glucose, blood fatty acid, and blood amino acid levels d. has characteristics a and b e. has none of the above characteristics