Drugs that prevent the formation of the bacterial cell wall are

A) quinolones
B) beta-lactams
C) aminoglycosides
D) tetracyclines


Ans: B) beta-lactams

Biology & Microbiology

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How are T7 genes transcribed?

A) Host RNA polymerase is modified to recognize the T7 promoter. B) Host RNA polymerase directly translates the T7 genes. C) T7 has its own RNA polymerase, which is packaged in its capsid and injected into the host during infection to transcribe T7 genes. D) T7 has its own RNA polymerase, which must first be synthesized by the host.

Biology & Microbiology

You can painlessly wade into a pool, but doing a belly flop off of the high diving board hurts because of

A. cohesion in water. B. water's high boiling point. C. water's high density. D. water's neutral pH. E. adhesion in water.

Biology & Microbiology

Each tRNA has a(n) __________ that base-pairs with a codon, and each binds to the amino acid specified by the

codon.

Fill in the blank(s) with the appropriate word(s).

Biology & Microbiology

Ammonia-oxidizing bacteria play an essential role in the nitrogen cycle by ____

a. converting ammonia into nitrogen oxides b. converting ammonia into nitrites c. converting ammonia into ammonium d. converting nitrites into ammonia e. converting nitrites into nitrogen oxides

Biology & Microbiology