Which of the following is known to be a second messenger?
A. Adenylyl cyclase
B. Epinephrine
C. Phospholipase C
D. ATP
E. Diacylglycerol
Answer: E
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The primary function of the large intestine is to store and dilute unabsorbed fecal material.
Answer the following statement true (T) or false (F)
Hypertension may be caused by all of these except
a. renal disease. b. hardening of the arteries. c. suppression of baroreceptors. d. salt imbalances. e. adrenal medullary tumors.
The vagus nerve gives rise to preganglionic parasympathetic fibers involved in regulating most thoracic and abdominal organs.
Answer the following statement true (T) or false (F)
Na (atomic no. 11 ) reacts with Cl (atomic no. 17 ) to become stable. In the reaction, Na will ________, while Cl will ________
A) give up one electron; accept one electron B) become an anion; become a cation C) accept one electron; give up one electron D) give up one proton; accept one proton E) share one electron with chlorine; share one electron with sodium