Which of the following is TRUE concerning the structure and function of enzymes?
A) All enzymes bind cofactors necessary for their function.
B) An apoenzyme is a combination of a cofactor bound to a holoenzyme.
C) Enzymes can function at a wide range of pH.
D) Competitive inhibition of an enzyme occurs when an inhibitor binds to an allosteric site on the enzyme.
E) After an enzyme has catalyzed a reaction, it resumes its original shape and can interact with a new substrate molecule.
E
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Resting smooth muscle can be stretched without affecting tension development because of its __________
Fill in the blank(s) with the appropriate word(s).
From what molecule are the steroids derived?
a) Co2 b) cholesterol c) glucose d) glucagons e) phospholipids
Live attenuated vaccines
A) are closest to the actual infectious agent encountered in nature and require the use of an adjuvant. B) are the closest to the actual infectious agent encountered in nature and stimulate potent immune responses to multiple antigens on the pathogen. C) require the use of an adjuvant. D) stimulate potent immune responses to multiple antigens on the pathogen. E) are the closest to the actual infectious agent encountered in nature.
Which structure would allow you to move your hand away from a hot burner after touching it?
A) sensory neuron B) interneuron C) motor neuron D) glial cell