Multiple Choice
Where does transcription take place in a eukaryotic cell?
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15. Gene Expression
Introduction to Transcription
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Which enzyme is primarily responsible for catalyzing the synthesis of RNA from a DNA template during transcription?
A
DNA polymerase
B
Ligase
C
RNA polymerase
D
Helicase
Verified step by step guidance1
Understand the process of transcription: Transcription is the synthesis of RNA from a DNA template. It involves the creation of a complementary RNA strand based on the sequence of the DNA strand.
Identify the role of enzymes in transcription: Enzymes are biological catalysts that facilitate specific biochemical reactions. In transcription, the enzyme responsible for synthesizing RNA is crucial.
Recall the function of RNA polymerase: RNA polymerase is the enzyme that catalyzes the formation of RNA by reading the DNA template strand and assembling nucleotides into a complementary RNA strand.
Differentiate RNA polymerase from other enzymes: DNA polymerase is involved in DNA replication, ligase joins DNA fragments, and helicase unwinds the DNA double helix. None of these enzymes are responsible for RNA synthesis during transcription.
Conclude that RNA polymerase is the correct enzyme: RNA polymerase is specifically designed to synthesize RNA from a DNA template during transcription, making it the correct answer.
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