Phosphorylation of ________ is required for chromosome condensation.

A) condensin
B) cyclin
C) DNA gyrase
D) topoisomerase II
E) both choices A and B


A) condensin

Biology & Microbiology

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The bacteria cultured from a soil sample typically represents

A. all the bacteria present in that sample. B. a very small number of bacteria present in that sample. C. all the metabolically active bacteria. D. all the metabolically inactive bacteria.

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The apical complex of apicomplexa is used for

a. defensive purposes. b. asexual reproduction. c. structural support. d. food absorption. e. attachment.

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List the stages of meiosis I and explain the events that occur during each stage.

What will be an ideal response?

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Heterozygotes for the Tay-Sachs disease allele appear to have greater than normal resistance to

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

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