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← ScienceWhich consequence results when RNA polymerase fails to properly perform proofreading?
A)Increased mutation rate in mRNA✓
B)Increased structural stability of mRNA
C)Decreased protein translation efficacy
D)Premature termination of transcription
💡 Explanation
An increased mutation rate happens because the mismatch repair mechanism is compromised when RNA polymerase malfunctions. Therefore, the likelihood of error incorporation elevates, leading to instability rather than directly affecting translation or termination.
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