Irradiation of cells with ultraviolet light may cause
A) four nucleotides to covalently bind together.
B) thymine dimers.
C) adenine complementary base pairing with cytosine.
D) the addition of uracil.
E) cytosine trimers.
Correct Answer:
Verified
Q4: Segments of DNA capable of moving from
Q5: The designation his⁻ refers to
A) the genotype
Q6: On which of the following DNA strands
Q7: Thymine dimers are removed by
A) no repair
Q8: X-rays
A) have no effect on DNA.
B) cause
Q10: The source of variation among microorganisms that
Q11: DNA repair mechanisms occur
A) only in prokaryotes.
B)
Q12: Which change in a gene's DNA sequence
Q13: Chemical mutagens often act by altering the
A)
Q14: The formation of a covalent bond between
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