Which of the following antimicrobials does not inhibit DNA synthesis?
A. Chloroquine
B. Quinolone
C. Azidothymidine
D. Penicillin
E. Acyclovir
Answer: D
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Enzymes function primarily by
a. forcing the reactants into an altered environment which in turn creates a change in the free energy of the reactants relative to the products. b. altering the equilibrium point of a particular reaction to favor the formation of products. c. increasing the probability that the reactants will come into close proximity to each other in the proper orientation for forming the transition state molecule. d. removing reactants from solution in a set ratio that enhances the chances of the remaining individual reactants interacting with each other. e. changing the ratio of reactants to products so that the forward reaction is favored.
Which of the following is essential for the development of discrete, isolated colonies?
A. Solid medium B. Selective medium C. Differential medium D. Broth medium E. Assay medium
Binding of which complex increases the ability of RNA polymerase to transcribe the lac operon?
What will be an ideal response?
Which of the following describes the Herpes virus life cycle?
a) lytic b) Galilenic c) polylinic d) eugenic e) lysogenic