After a steroid hormone binds to its receptor to form an active complex,
A) adenylyl cyclase is activated.
B) cAMP is formed.
C) G proteins are phosphorylated.
D) gene transcription is initiated.
E) ion channels are opened.
Answer: D
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The pectoral girdle, upper limb bones, pelvic girdle, and lower limb bones make up the
A) appendicular skeleton. B) axial skeleton. C) thoracic cage. D) vertebral column. E) pelvis.
The brachialis muscle is located __________ to the biceps brachii muscle.
1.) Superficially 2.) Deep 3.) Laterally 4.) Superiorly
Which of the following decreases heart rate, and thus cardiac output and blood pressure?
A) angiotensin-II B) acetylcholine C) norepinephrine D) epinephrine
The ________ of the stomach and intestine secrete histamine and serotonin.
A. chief cells B. parietal cells C. enterochromaffin-like (ECL) cells D. G cells