Why do steroids take so long to generate change when they bind to intracellular receptors?
A) The intracellular receptors have very slow kinetics.
B) The bound receptors affect gene transcription rates.
C) The steroid receptor complex activates signal transduction pathways.
D) The steroid receptor complex must then exit the cell to exert its effects.
Answer: B
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a. epinephrine b. isoproterenol c. dopamine d. dobutamine
The male urethra is a common passageway for urine and semen.
Answer the following statement true (T) or false (F)
Papillary muscles of the right ventricle receive a signal to contract from (the)
A) bundle branches. B) AV node. C) moderator band. D) Purkinje fibers. E) None of the answers are correct.
The layer of the epidermis at the exposed surface is the
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