Why do some viruses mutate faster than others?

A) They are usually smaller.
B) They are usually larger.
C) They usually have RNA genomes.
D) They usually have DNA genomes.


C

Biology & Microbiology

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Horizontal gene transfer

A) can accelerate evolution of a species. B) can inhibit evolution of a species. C) has no role in evolution. D) has a role in evolution only if the gene transfer is to a different species.

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Natural or man-made substances released into soil, air, or water in greater than natural amounts are called:

a. acids b. pollutants c. nutrients d. metals e. chemicals

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Signals can be sent from the ECM to the cell through

A. cadherins. B. integrins. C. connexins. D. claudins. E. fibronectins.

Biology & Microbiology

How are the sperm of moss transported to the archegonia?

a. By wind b. By water c. By insects d. By hummingbirds e. Both insects and water

Biology & Microbiology