The toxin production by Corynebacterium diphtheriae carrying a temperate phage is an example of __________.

a. phage conversion
b. general transduction
c. specialized transduction
d. phage lysis


Ans: a. phage conversion

Biology & Microbiology

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The agent of microevolutionary change that is most likely to introduce genetic variation from another population is

referred to as ____.

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Expressed sequence tags, or ESTs,

A) are genetic markers generated from cDNA. B) pertain to expressed genes only. C) are oligonucleotides derived from mRNA. D) A and C only E) All of these

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The pressure exerted on the inner walls of the arteries when the heart relaxes between beats is the ____ pressure

a. systolic b. diastolic c. barometric d. residual

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A primary purpose for the use of stains in microscopy is to increase the (magnification/brightness/contrast) of a specimen.

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

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