Question 4 of 10 10 10 points a mutation causes a

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Question 4   of 10 1.0 / 1.0 Points A mutation causes a codon to change from UAC to UAU , both of which specify tyrosine . This is an example of
A. a frameshift mutation
B. missense mutation
C. silent mutation
D. nonsense mutation
Answer:  C.   silent mutation
Question 6   of 10 1.0 / 1.0 Points Some scientists have proposed that the earliest forms of life may have existed in an “ RNA World ” where RNA was both the genetic material and responsible for enzymatic activity . Imagine that you have recreated such a life form . What would demonstrate that RNA , but not protein or DNA , is necessary and sufficient for these functions ?
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Question 4 of 10 1.0/ 1.0 Points A mutation causes a codon to change from UAC to UAU, both of which specify tyrosine. This is an example of A. a frameshift mutation B. missense mutation C. silent mutation D. nonsense mutation
Question 5 of 10 1.0/ 1.0 Points ________ creates fragments on the lagging strand.
Question 6 of 10 1.0/ 1.0 Points Some scientists have proposed that the earliest forms of life may have existed in an “RNA World” where RNA was both the genetic material and responsible for enzymatic activity. Imagine that you have recreated such a life form. What would demonstrate that RNA, but not protein or DNA, is necessary and sufficient for these functions?

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