1. The mRNA produced when the following sense strand DNA sequence is transcribed
ID: 552776 • Letter: 1
Question
1. The mRNA produced when the following sense strand DNA sequence is transcribed is:
5’- AATTTCCCAATCATCCAT -3’
A) 5’- UUAAAGGGUUAGUAGGUA -3’
B) 5’- AAUUUCCCAAUCAUCCAU -3’
C) 5’- UACCUACUAACCCUUUAA -3’
D) 5’- TACCTACTAACCCTTTAA -3’
E) 5’- AUGGAUGAUUGGGAAAUU -3’
I answered E because its reading from 5' to 3' but I was incorrect
2. RNA polymerase in prokaryotes:
A) initiates polymerization by recognizing a promoter sequence.
B) transcribes both the coding strand and the template strand.
C) requires a primer
D) is a monomeric enzyme.
E) reads from the 5’ to 3’ end of the DNA.
Explanation / Answer
Ans 1 B) 5’- AAUUUCCCAAUCAUCCAU -3’
The sequence of sense DNA is similar to the mRNA sequence . The only difference is that the base thymine is replaced by the base uracil in mRNA. This mRNA sequence is complimentary to the anti sense DNA whose polarity is 3'-5'.
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