UV light can cause the formation of ____.
A) cytosine dimers only
B) thymine dimers only
C) adenine dimers only
D) cytosine or thymine dimers
E) cytosine, thymine, or adenine dimers
Correct Answer:
Verified
Q18: After chromosomes are duplicated, each new copy
Q19: During DNA replication, _ serve(s) as a
Q20: In DNA molecules, complementary base pairing occurs
Q21: If a DNA sequence contains 30 percent
Q22: What provides the energy for DNA replication?
A)the
Q24: A purine base contains _.
A)one less phosphate
Q25: The DNA sequences of twins produced by
Q26: DNA synthesis proceeds from _.
A)the beginning of
Q27: Bacteriophages are _.
A)bacteria
B)DNA-degrading enzymes
C)viruses
D)cellular components
E)chromosomes
Q28: The building blocks of nucleic acids are
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