Which one of the following processes in E.coli does not directly involve RNA?

DNA replication

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Transcription

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Translation

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DNA repair

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Solution

The correct option is C DNA repair
During DNA replication, an RNA primer acts as a starting point for DNA polymerase. DNA polymerase builds complimentary DNA. During transcription, segment of DNA is copied into mRNA by enzyme RNA polymerase. During translation, mRNA is translated into protein with the help of transfer RNA (tRNA) and the ribosome.
Thus, the correct answer is option D.

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