Questions 72–76 refer to the five RNA codons listed below:a
AUG
b. UAA
c. UUU
d. UUA
e. AAA
D 72. This codon terminates a coding region.
D 73. The anticodon AAA pairs with this codon.
M 74. A single mutation involving the second letter of
codon AUA could convert it to this codon.
D 75. A DNA codon of ATT is complementary to this
RNA codon.
D 76. This codon codes for an amino acid and indicates the
beginning of a coding region.
Answers: 72. b, 73. c, 74. e, 75. b, 76. a
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