Crossing over
a. generally results in binary fission.
b. involves nucleoli.
c. involves breakages and exchanges being made between sister chromatids.
d. alters the composition of chromosomes and results in new combinations of alleles being
channeled into the daughter cells.
e. is the same as disjunction.
D
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Which division of the nervous system is divided into two opposing systems that control smooth muscles and glands?
a. autonomic b. somatic c. afferent d. central nervous system e. voluntary nervous system
Generally, in an infection caused by a DNA-containing virus, the host animal cell supplies all of the following EXCEPT
A) RNA polymerase. B) nucleotides. C) DNA polymerase. D) tRNA. E) None of the answers are correct; all of these are supplied by the host animal cell.
DNA microarray technology
A. may use many DNA fragments that function like probes. B. attaches nucleotides to a solid support such as a glass slide. C. relies on arrays that contain a detectable tag. D. uses nucleic acid hybridization. E. may use many DNA fragments that function like probes, attaches nucleotides to a solid support such as a glass slide, AND uses nucleic acid hybridization.
Viruses that kill their host cells during each cycle of infection are called
a. virulent bacteriophages. b. bacteriophages. c. temperate bacteriophages. d. phages. e. avirulent bacteriophages.