| I. A replisome is the largest functional unit in DNA replication factories. |
| II. RNA polymerase complexes are responsible for transcribing the newly synthesised RNAs into their mature form. |
| III. DNA polymerases add new deoxyribonucleotides to the 3 end of a DNA strand. |
| IV. A replication bubble is a region of single stranded DNA that arises due to unwinding of DNA in same direction by primase. |
A) I and II
B) III and IV
C) I, II and IV
D) I, II, Ill and IV
Correct Answer: C
Solution :
Only statement III is correct. A replisome is the smallest functional unit in DNA replication factories. RNA polymerase complex is responsible for transcribing the newly synthesised DNA into mRNA A replication bubble is a region of double stranded DNA that arises due to the unwinding of DNA in same direction by helicase.
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