Which is NOT true about receptors for steroid hormones?
A. They may be proteins found in the nucleus.
B. They undergo allosteric modulation when they bind to the hormone.
C. They regulate gene transcription.
D. They may be found in the nucleus.
E. They are synthesized from cholesterol.
E
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A pregnancy test involves antibodies that detect growth hormone (GH) levels in a woman's blood or urine
Indicate whether the statement is true or false
The Nernst equation predicts
A) the membrane potential resulting from permeability to a single ion. B) intracellular ion concentrations. C) the membrane potential resulting from all permeable ions. D) the threshold membrane potential. E) extracellular ion concentrations
What is the primary site of erythropoiesis in the adult?
a. heart b. kidney c. bone marrow d. liver
The diameter of many blood vessels is controlled exclusively by the ________ nervous system, and decreases in the activity of this system result in ________.
A. parasympathetic; vasodilation B. sympathetic; vasodilation. C. somatic; vasoconstriction. D. sympathetic; vasoconstriction. E. parasympathetic; vasoconstriction