Chemical mutagens often act by altering the
A) alkyl groups of the nitrogen bases.
B) nitrogen base sequence.
C) number of binding sites on the nitrogen bases.
D) hydrogen bonding properties of the nitrogen bases.
Correct Answer:
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Q1: Planar molecules used as chemical mutagens are
Q2: Chemical mutagens that mimic the naturally occurring
Q4: Which is not true about mismatch repair?
A)It
Q5: Thymine dimers are dealt with by
A)no repair
Q7: Nitrous acid most frequently causes mutations by
A)
Q8: Which change in a gene's DNA sequence
Q9: The formation of a covalent bond between
Q10: The source of variation among microorganisms that
Q12: The designation his- refers to
A)the genotype of
Q14: The largest group of chemical mutagens consists
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