_____, which occurs when two related viruses infect the same host at the same time, can lead to the emergence of new
viral strains.
Genetic isolation
a. DNA mutation
b. Cell lysis
c. Viral reassortment
d. Genetic isolation
e. Reverse transcription
ANSWER: c
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Chromosomes are visible only
a. as chromatin. b. during cell division. c. in eukaryotic cells. d. within the nucleolus. e. through the use of transmission electron microscopy.
A group of muscles that work together in supportive functions are known as ____________________ muscles. Fill in the blank(s) with the appropriate word(s)
Which of these describes antagonistic pleiotropy?
A. The later in life that a mutation affects fitness, the weaker the selection against that mutation. B. Mating only once in life, then dying. C. Genes that increase reproduction may decrease survival later in life. D. Delaying reproduction until conditions are more favorable. E. Cellular damage that lowers survival and reproduction with age.
The ________ is a type of vascular tissue that conducts water.
Fill in the blank(s) with the appropriate word(s).