The PCR method was developed by

A. Mullis.
B. Sanger.
C. Cohen.
D. Boyer.


Answer: A

Biology & Microbiology

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You are given a sample of an unknown food. Describe how you would test it for the presence of lipids.

What will be an ideal response?

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Pines use _______ to disperse pollen, whereas flowering plants rely largely on: _________. _________

A. wind; water B. water; animals C. wind; animals D. water; wind E. animals; wind

Biology & Microbiology

When geographic isolation occurs, under what conditions might you expect the most rapid speciation?

A) when there is similarity in the food supply in both locations B) when the climate is very different in the two locations C) when the species has a long generation time D) when one of the two groups becomes extinct

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English ivy (Hedera helix) and wintercreeper (Euonymus fortunei) are not closely related, yet both have aerial rootlets that allow them to climb up and stick to bark on trees. What type of evolution is this?

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Biology & Microbiology