Multiple Choice
Which of the following types of genes are specifically transcribed by eukaryotic RNA polymerase II?
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13. Gene Regulation in Eukaryotes
Overview of Eukaryotic Gene Regulation
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Which best describes the interaction between DNA and RNA during protein synthesis?
A
DNA serves as a template for the synthesis of messenger RNA, which then directs the assembly of amino acids into proteins.
B
DNA is converted into proteins directly, and RNA only acts as a structural component.
C
RNA modifies DNA sequences to produce different proteins during synthesis.
D
RNA directly binds to amino acids and assembles them into proteins without any involvement of DNA.
Verified step by step guidance1
Understand the central dogma of molecular biology, which describes the flow of genetic information from DNA to RNA to protein.
Recognize that during protein synthesis, DNA is not directly converted into proteins; instead, it serves as a template to produce messenger RNA (mRNA) through a process called transcription.
Know that mRNA carries the genetic code from the DNA in the nucleus to the ribosomes in the cytoplasm, where protein synthesis occurs.
During translation, the mRNA sequence is read by ribosomes, and transfer RNA (tRNA) molecules bring the appropriate amino acids to assemble the protein according to the mRNA code.
Conclude that the correct description is that DNA serves as a template for the synthesis of messenger RNA, which then directs the assembly of amino acids into proteins.
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