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.
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
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