Which drug blocks the action of pyrophosphatase, thus inhibiting the transport of important molecules for cell wall synthesis across the bacterial membrane?

A. Trimethoprim
B. Rifampin
C. Linezolid
D. Bacitracin


D. Bacitracin

Biology & Microbiology

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E. coli is an intestinal bacterium that

reproduces at a rate of every 20 minutes. E. coli is representative of a ___ species.

a. r-selected b. K-selected c. type I d. logarithmic type-curve e. more than one of these

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_____ corrects the genetic defect in an individual with a genetic disorder by _____

a. Enzyme replacement therapy; delivery of a normal gene to affected cells in the body b. PGD; removing affected cells from an early stage embryo c. Gene therapy; PGD d. Gene therapy; delivery of a normal gene to affected cells in the body e. Chorionic villus sampling; constructing karyotypes from affected cells

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The political reform movement that arose among farmers in the late 1800s was the:

A) global justice movement. B) socialistic movement. C) populist movement. D) progressive movement.

Biology & Microbiology

Synthesis reactions are commonly ________ reactions

A) endothermic B) exchange C) exothermic D) anabolic E) hydrolytic

Biology & Microbiology