Molecular clocks are based primarily on rates of

A. neutral mutations.
B. favorable mutations.
C. natural selection.
D. horizontal gene transfer.
E. detrimental mutations.


Answer: A

Biology & Microbiology

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So far, three classes of chromatin remodeling complexes have been identified. Which of the following pairings is correct?

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During the formation of a regional economic core, ancillary industries must be in place before forward linkages are created

Indicate whether this statement is true or false.

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By volume, what percentage of cells in blood are white blood cells?

a. 15 percent b. 50 percent c. 1 percent d. 85 percent

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The complement components react ______.

A. in a cascade B. in parallel C. differently at different temperatures D. simultaneously

Biology & Microbiology