A prophage is an early stage in the

A) lytic cycle.
B) lysogenic cycle.
C) development of an animal virus.
D) folding of a prion.


Ans: B) lysogenic cycle.

Biology & Microbiology

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A __________ bacterial cell is able to take up DNA from the environment.

A. competent B. virulent C. fertile D. transformed E. transduced

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Which of the following assembles a short RNA chain as the first nucleotides in a new DNA strand?

a. topoisomerase b. primase c. DNA polymerase d. helicase e. DNA ligase

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Pairs of maternal and paternal chromosomes line up between the two spindle poles during

a. metaphase I. b. telophase I. c. prophase II. d. metaphase II. e. anaphase II.

Biology & Microbiology

The statistical study of populations including sex ratio, age structure, and predicting growth rates is called ________.

A. biometrics B. ethology C. demography D. population genetics

Biology & Microbiology