Multiple Choice
Which enzyme is responsible for transcribing DNA during the process of transcription?
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15. Gene Expression
Introduction to Transcription
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Which of the following is the correct sequence for the production of proteins in a eukaryotic cell?
A
Protein \(\rightarrow\) RNA \(\rightarrow\) DNA
B
DNA \(\rightarrow\) RNA \(\rightarrow\) Protein
C
RNA \(\rightarrow\) DNA \(\rightarrow\) Protein
D
DNA \(\rightarrow\) Protein \(\rightarrow\) RNA
Verified step by step guidance1
Understand the central dogma of molecular biology, which describes the flow of genetic information in a cell. It states that genetic information is transferred from DNA to RNA and then to proteins.
Recognize that DNA serves as the template for transcription, a process where RNA is synthesized. This step is crucial for converting genetic information into a readable format for protein synthesis.
Learn that RNA undergoes translation, where the sequence of nucleotides in messenger RNA (mRNA) is used to assemble amino acids into a polypeptide chain, forming a protein.
Compare the given sequences to the central dogma. The correct sequence is DNA → RNA → Protein, as this reflects the biological process of transcription followed by translation.
Eliminate incorrect options by understanding that RNA does not directly produce DNA in this context, nor does DNA directly produce proteins without the intermediate RNA step.
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