If a person had defective centromeres, which

of the following would result?



a. the DNA would not coil around histones
b. DNA could not duplicate
c. sister chromatids could not attach to each
other
d. the chromosome number would be reduced
e. none of these would result


C

Biology & Microbiology

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Why was it not possible to classify viruses by morphology when they were initially discovered?

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Sperm cells are indicated by the letter ____

a. A b. B c. C d. D e. E

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Histamine is produced by_______ specifically to promote acute inflammation.

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