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In the context of transcription, what is RNA polymerase?
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10. Transcription
Overview of Transcription
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In transcription, RNA polymerase synthesizes an RNA strand by making a complementary copy of which molecule?
A
A DNA template strand of a gene
B
An RNA primer
C
A polypeptide (protein) chain
D
A lipid membrane segment
Guida verificata passo dopo passo1
Understand the process of transcription: it is the synthesis of RNA from a DNA template.
Recall that RNA polymerase reads one strand of the DNA to create a complementary RNA strand.
Identify that the strand used by RNA polymerase is called the DNA template strand, which is complementary to the RNA being synthesized.
Recognize that RNA primers are involved in DNA replication, not transcription, so they are not the template for RNA synthesis.
Conclude that the RNA strand is synthesized by making a complementary copy of the DNA template strand of a gene.
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