Which of the following polymerases functions in translesion synthesis and is considered error-prone because it lacks the 3'-5' exonuclease activity used for proofreading?
A. DNA Pol I
B. DNA Pol II
C. DNA Pol III
D. DNA Pol IV
E. None of these choices is correct.
D
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The somatic subdivision of the vertebrate nervous system would innervate which of the following?
a. intestinal muscles b. liver c. heart d. pancreas e. skeletal muscles
The process by which a bacterium uses a sex pilus to transfer genetic information to another bacterium is
A. meiosis. B. mutation. C. mitosis. D. conjugation. E. sexual reproduction.
Two organelles that are believed to have once been free-living bacterial cells are ________ and ________.
A. peroxisomes; lysosomes B. Golgi complex; endoplasmic reticulum C. ribosomes; nucleolus D. chloroplasts; mitochondria
The sources of the ozone-destroying contaminants in the upper atmosphere were found to be ________.
What will be an ideal response?