Multiple Choice
Which enzyme is responsible for adding new RNA nucleotides during the process of transcription?
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10. Transcription
Overview of Transcription
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Which of the following statements about RNA polymerase is correct?
A
RNA polymerase directly participates in the process of translation.
B
RNA polymerase is the enzyme responsible for synthesizing RNA during transcription.
C
RNA polymerase synthesizes DNA from an RNA template.
D
RNA polymerase is only found in prokaryotic cells.
Verified step by step guidance1
Understand the role of RNA polymerase in the central dogma of molecular biology, which describes the flow of genetic information from DNA to RNA to protein.
Recall that transcription is the process where RNA polymerase synthesizes RNA from a DNA template, producing messenger RNA (mRNA), transfer RNA (tRNA), or ribosomal RNA (rRNA).
Recognize that translation is the process where ribosomes synthesize proteins using the mRNA sequence; RNA polymerase does not participate directly in translation.
Note that RNA polymerase does not synthesize DNA from an RNA template; that function is performed by reverse transcriptase in some viruses.
Remember that RNA polymerase is found in both prokaryotic and eukaryotic cells, although the enzymes differ slightly between these organisms.
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