An enzyme's specificity for its substrate is due to
A. the presence of cofactors or coenzymes.
B. the shape of its active site.
C. its denaturation.
Answer: B
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Which of the following is a function of an electrolyte in the body?
a) Controlling osmosis between compartments b) Maintaining acid-base balance c) Carry electrical currents d) Serve as cofactors e) All of these choices
Contact dermatitis caused by poison oak is an example of which of the following?
A. Immunocompetence B. Hypersensitivity C. Autoimmunity D. Surveillance E. Humoral immunity
The "P" in PLR stands for __________
Fill in the blank(s) with correct word
The blood vessel that supplies blood to the cerebral arterial circle from the posterior is the ________ artery
A) basilar B) middle cerebral C) vertebral D) internal carotid E) posterior cerebral