Allosteric regulation of key enzymes in glycolytic and gluconeogenesis pathways may involve each of the following except may involve each of the following except
A) activating the enzyme activity.
B) inhibiting the enzyme activity.
C) binding of the allosteric regulator molecule to directly compete with substrate binding in the enzyme active site.
D) binding of the allosteric regulator molecule to a site on the enzyme other than the active site.
E) Any of the above may be involved.
Answer: D
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The suffix -phore is derived from a Greek word meaning
(a) branch. (b) moss. (c) liverwort. (d) male.
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Three classmates from microbiology class are talking about drug resistance. They each disagree about the definition of the term so they state his or her definition and give a justification. Compare the various definitions and justifications below and pick the one that is most accurate.
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Listeria monocytogenes pathogenesis is directly related to its ability to
A) produce a powerful toxin. B) form endospores. C) produce a polysaccharide capsule. D) live and reproduce inside its host's cells. E) resist most antimicrobial agents.