Which of the following does NOT affect the activity of an enzyme?
A. Concentration of cofactors and coenzymes
B. Concentration of enzyme and substrate molecules
C. pH and temperature
D. The organ the enzyme is in
Answer: D
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Pulsate secretion of growth hormone is descriptive of or occurs during
A. paradoxical sleep. B. both slow-wave sleep and paradoxical sleep. C. slow-wave sleep. D. neither slow-wave sleep nor paradoxical sleep.
Interoceptors are found in
a) blood vessels b) visceral organs c) muscles d) all of these choices e) none of these choices
While a runner is in a marathon, his or her liver will have to free some stored energy to keep blood sugar levels adequate; the liver will liberate this energy by way of a process called
A. dehydration synthesis. B. glycogenolysis. C. glycogensis. D. dialysis. E. polysaccharide synthesis.
The enzyme released by the stomach to digest protein is
A- amylase B- glucose C- nuclease D- pepsin