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
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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.
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
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
Signals can be sent from the ECM to the cell through
A. cadherins. B. integrins. C. connexins. D. claudins. E. fibronectins.