Describe myoglobin.
a. Carbohydrate that provides the muscle cell with energy
b. An enzyme found in the synaptic cleft
c. A hormone that triggers contraction
d. A protein of the thick myofilaments.
e. A molecule that stores oxygen in muscles
e. A molecule that stores oxygen in muscles
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The spinous processes of the sacral vertebrae fuse to form the
A) median sacral crest. B) lateral sacral crest. C) sacral hiatus. D) sacral canal. E) sacral tuberosity.
A child has the same number of chromosomes as each of his parents. This is because the gametes that combined when that child was conceived each contained _____ chromosomes
A. 12 B. 23 C. 46 D. 92 E. 2
What change in renal regulation of H+ would help compensate for a metabolic acidosis?
A. a decrease in the filtered load of H+ B. an increase in the urinary pH C. a decrease in the tubular production of ammonia D. a decrease in the amount of H+ secreted in the proximal tubule E. an increase in the production of new plasma HCO3-
Treating menstruation as day 1, on which day should ovulation occur?
A. 1 B. 14 C. 7 D. 21