What is the electron transfer chain?
a. Series of enzyme-mediated reactions
b. Mechanism in which a change can result in a decrease of an activity.
c. Reaction in which one molecule will accept the electrons.
d. Region on an enzyme that regulatory molecules will bind to.
e. Array of enzymes that accept and give up electrons in sequence and release energy.
e
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Males have little influence on population growth in populations with ____
a. more males than females b. more females than males c. equal numbers of females and males d. one male e. animals that form lifelong pairs
Loss of tumor suppression in a cell usually results from
A) a translocation of a tumor suppressor gene. B) an inversion involving a tumor suppressor gene. C) a deletion of a tumor suppressor gene. D) activation of a proto-oncogene by a virus.
Frog eggs most closely resemble
A. alligator eggs. B. platypus eggs. C. fish eggs. D. chicken eggs.
Which of the following statements about GABA receptors is not true?
(a) They are located on postsynaptic membranes. (b) They are ligand-gated channels. (c) They inhibit synaptic signaling. (d) They promote neuronal uptake of Na+.