In the reactions that occur in metabolism, enzymes function as
A. catalysts.
B. compounds.
C. lipids.
D. amino acids.
Answer: A
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Oxytocin is a strong stimulant of uterine contractions
Indicate whether the statement is true or false
Breathing faster and deeper eliminates more carbon dioxide from the body than normal breathing. Under these circumstances,
A) more carbon dioxide will diffuse out of the blood in the lungs. B) more carbon dioxide will diffuse into the blood in the lungs. C) less carbon dioxide will diffuse out of the blood in the lungs. D) less carbon dioxide will diffuse into the blood in the lungs. E) the amount of carbon dioxide diffusion will remain unchanged.
Insulin increases the rate of _____ transport into cells
A. sucrose B. fructose C. glucose D. galactose E. lactose
As the nervous system ages
A. size and weight of the brain increases. B. cutaneous sensation becomes more acute. C. reflexes become faster. D. blood pressure decreases. E. reflexes become slower.