Which of the following functional groups of organic compounds link molecules through dehydration synthesis?
A) amino group
B) hydroxyl group
C) phosphate group
D) carboxyl group
E) none of the above
Answer: B
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Which artery supplies the gallbladder?
A. Cystic artery B. Splenic artery C. Left gastric artery D. Left hepatic artery E. Gastro-omental artery
Which is NOT considered to be a primary function of the respiratory system?
A) vocalization B) gas exchange C) regulation of pH balance D) protection against pathogens E) regulation of water balance
Which of the following is NOT characterized by high levels of cortisol in the blood?
A) Cushing's disease B) Cushing's syndrome C) iatrogenic Cushing's syndrome D) Addison's disease
The resting membrane potential of a typical nerve cell is
a. +50 mV. b. +70 mV. c. 0 mV. d. -50 mV. e. -70 mV.