Multiple Choice
Which of the following statements is correct regarding DNA and RNA?
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15. Gene Expression
Central Dogma
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How is the information in DNA transferred to a molecule of mRNA?
A
Through the process of mutation
B
Through the process of replication
C
Through the process of transcription
D
Through the process of translation
Verified step by step guidance1
Understand that DNA contains the genetic instructions for the development and functioning of living organisms.
Learn that transcription is the process by which the information in a DNA sequence is copied into a complementary mRNA sequence.
During transcription, the enzyme RNA polymerase binds to the DNA at a specific region called the promoter.
RNA polymerase unwinds the DNA and synthesizes a single strand of mRNA by matching RNA nucleotides to the complementary DNA bases: adenine (A) pairs with uracil (U), cytosine (C) pairs with guanine (G), guanine (G) pairs with cytosine (C), and thymine (T) pairs with adenine (A).
Once the mRNA strand is synthesized, it detaches from the DNA and undergoes processing before being used in translation to synthesize proteins.
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