Web quiz #3 -...

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Which of the following would NOT be consistent with the hypothesis that chloroplasts and mitochondria are derived from prokaryotic endosymbionts in eukaryotic cells? A. The chloroplasts and mitochondria have their own DNA enclosed within their own nuclear membranes. B. The chloroplasts and mitochondria have protein synthesis machinery that is nearly identical to that found in bacteria. C. The lipid composition of the outer envelope of the chloroplasts and mitochondria contained lipids that are characteristic of the plasma membrane of eukaryotic cells. D. The inner membranes of the chloroplasts and mitochondria contain proteins that are similar to those found in bacteria. E. The chloroplasts and mitochondria have their own enzymes for the synthesis of fatty acids and lipids. Which one of the following choices gives a correct pair of events which would occur towards the beginning of prophase and towards the end of prophase in a typical animal cell? A. The centrosomes are at opposite poles; the chromosomes' centromeres are lined up. B. The nuclear envelope fragments; kinetochores are bound by microtubules. C. Single-chromatid chromosomes are formed; full sets of chromosomes move towards opposite poles.
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This note was uploaded on 10/19/2008 for the course BIO G 1101 taught by Professor Gilbert during the Fall '07 term at Cornell University (Engineering School).

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Web quiz #3 -...

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