Regulatory proteins turn these on and off in accordance with changing needs for the proteins they encode.
a) enzymes
b) proteins
c) ribosomes
d) genes
d) genes
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In the dark (absence of a stimulus), the photoreceptors are:
A) polarized. B) bleached. C) hyperpolarized. D) depolarized.
What is the membrane that lines the medullary cavity?
A. fibers B. endosteum C. growth plate D. medullary cavity E. epiphysis
The postcentral gyri of the parietal lobes of the cerebral cortex
a) are considered the primary gustatory area. b) receive body sensory information. c) control voluntary body movements. d) receive visual information. e) provide the ability to move the eyeballs.
An important process that can activate a steroid hormone or even change a steroid hormone into a different type of hormone (e.g., changing an androgen into an estrogen) is called:
A. renal excretion B. peripheral conversion C. steroid hormone–receptor binding D. hepatic conjugation E. dimerization