If NAD becomes reduced it is a(n) ________.
A. reducing agent
B. allosteric inhibitor
C. oxidizing agent
D. zymogen
Answer: C
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List the following in order of increasing mass: atom, molecule, proton, neutron, electron.
What will be an ideal response?
Autonomic motor neurons
A) cause general relaxation. B) cause general excitation. C) conduct impulses from sensory receptors. D) conduct impulses to skeletal muscles. E) conduct impulses to smooth and cardiac muscles and glands.
A lack of mitochondria within skeletal muscle would impair which ATP-yielding chemical process?
A. anaerobic respiration B. aerobic respiration C. both anaerobic and aerobic respiration
What is the condition in which the ventricles beat at only 40-60 beats per minutes as the normal pacemaker fails to work correctly?
A. Heart block B. Ectopic pacemaker. C. Incompetent valve. D. Arrhythmia