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09Evolution9 - Bio 112 Handout for Evolution 9 This handout...

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Evolution 9 - 1 Bio 112 Handout for Evolution 9 This handout contains: Today’s iClicker Questions Handout for today’s lecture iClicker Question #6A - before lecture Which of the following statements are true? A. The amino acid sequence of any given enzyme is the same in all organisms. B. Any change in the amino acid sequence of a protein will cause it to be non-functional. C. If there is a difference in the amino acid sequence of a given enzyme in two organisms, it reflects the fact that one is fitter than the other. D. More than one is true. E. None of the above are true. iClicker Question #6B - after lecture There are several assumptions that go into using molecular data to generate phylogenies. Which of the following assumptions is(are) essential if you want to use molecular data to generate a phylogeny? A. Mutation rates are constant over time and constant in all species. B. Proteins with similar amino acid sequences reflect common ancestry rather than coincidence. C. Mutations do not change the amino acid sequence of proteins. D. The changes in amino acid sequence used to calculate molecular phylogenies do not cause changes in function.
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