Multiple Choice
Which of the following components of a prokaryotic operon contains the coding information for amino acids?
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16. Regulation of Expression
Prokaryotic Gene Regulation via Operons
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Which of the following molecules is a protein that stops the transcription of a gene?
A
Operon.
B
Inducer.
C
Promoter.
D
Repressor.
Verified step by step guidance1
Understand the role of proteins in gene transcription regulation. Proteins can either promote or inhibit the transcription process.
Identify the function of a repressor protein. A repressor binds to specific DNA sequences and prevents the transcription of a gene.
Differentiate between the terms provided: Operon, Inducer, Promoter, and Repressor. Each has a distinct role in gene expression.
Recognize that a repressor is specifically involved in stopping transcription by binding to the operator region of an operon.
Conclude that among the options given, the repressor is the protein responsible for halting gene transcription.
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