Scelta multipla
In the context of the central dogma, which nucleic acid is directly translated to synthesize a protein?
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1. Introduction to Biochemistry
Central Dogma
Scelta multipla
In the central dogma, which enzyme catalyzes transcription (synthesis of RNA from a DNA template)?
A
DNA polymerase
B
RNA polymerase
C
Ribosome (peptidyl transferase activity)
D
Aminoacyl-tRNA synthetase
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Understand 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 is synthesized from a DNA template.
Identify the enzyme responsible for catalyzing transcription; this enzyme reads the DNA template and synthesizes a complementary RNA strand.
Recognize that DNA polymerase is involved in DNA replication, not transcription, and ribosomes and aminoacyl-tRNA synthetases are involved in translation, not transcription.
Conclude that RNA polymerase is the enzyme that catalyzes transcription by synthesizing RNA from the DNA template.
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