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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In which direction does RNA polymerase move along the DNA during transcription?
A
5' to 3'
B
3' to 5'
C
3' to 3'
D
5' to 5'
Verified step by step guidance1
Understand the process of transcription: Transcription is the process by which RNA is synthesized from a DNA template. This involves the enzyme RNA polymerase.
Identify the role of RNA polymerase: RNA polymerase is responsible for reading the DNA template strand and synthesizing a complementary RNA strand.
Determine the direction of RNA synthesis: RNA is synthesized in the 5' to 3' direction. This means that RNA polymerase adds nucleotides to the 3' end of the growing RNA strand.
Identify the direction of movement along the DNA: Since RNA polymerase synthesizes RNA in the 5' to 3' direction, it must move along the DNA template strand in the opposite direction, which is 3' to 5'.
Conclude the direction of RNA polymerase movement: Therefore, during transcription, RNA polymerase moves along the DNA template strand in the 3' to 5' direction.
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