QQuestionAnatomy and Physiology
QuestionAnatomy and Physiology
"Which of the following events occurs during transcription?
A. Those segments of the RNA strand that do not actually code for the protein are removed.
B. A molecule of RNA is formed based on the sequence of nucleotides in DNA.
C. The message in mRNA is translated into a protein.
D. A cap is added to the RNA molecule."
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Answer
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Step 2: Understanding Transcription
Transcription is the first step in gene expression, where genetic information is transferred from DNA to RNA. During this process, the genetic code from DNA is copied into a complementary RNA molecule.
Final Answer
A molecule of RNA is formed based on the sequence of nucleotides in DNA. Key Concept: Transcription is the process of creating an RNA copy of a gene sequence directly from the DNA template, which is the first step in gene expression.
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