A centromere is least likely to ____

a. divide in anaphase of mitosis
b. connect sister chromatids
c. attach chromosomes to spindle fibers
d. cross over during prophase I of meiosis
e. be a component of DNA


ANSWER: d

Biology & Microbiology

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The chemical agent/s that produce/s highly reactive hydroxyl-free radicals and also decomposes to O2 gas is ________.

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Which of the following sequences or molecules is LEAST relevant to the assembly of the basal transcription apparatus for transcription?

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Several tomato plants are growing in a small garden plot. If soil water potential were to drop significantly on a hot, summer afternoon, which of the following would most likely occur?

A) Size of stomatal openings would decrease. B) Transpiration would increase. C) The leaves would become more turgid. D) The uptake of carbon dioxide would be enhanced.

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