Multiple Choice
In what way can a riboswitch directly regulate translation?
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16. Regulation of Expression
Introduction to Regulation of Gene Expression
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Join thousands of students who trust us to help them ace their exams!Watch the first videoMultiple Choice
What does it mean to say that a gene is expressed?
A
The gene is permanently silenced and not transcribed.
B
The gene is mutated and causes a change in phenotype.
C
The gene is transcribed into mRNA and translated into a protein.
D
The gene is replicated during cell division.
Verified step by step guidance1
Understand the concept of gene expression: Gene expression is the process by which information from a gene is used to synthesize a functional gene product, typically a protein.
Recognize the stages of gene expression: It involves two main stages, transcription and translation. During transcription, the DNA sequence of a gene is copied into mRNA.
Learn about transcription: Transcription is the first step of gene expression, where the DNA sequence of a gene is transcribed to produce messenger RNA (mRNA).
Explore translation: Translation is the second step, where the mRNA is used as a template to synthesize proteins. This occurs in the ribosome, where tRNA molecules bring amino acids to form a polypeptide chain.
Identify the outcome of gene expression: The final product of gene expression is a protein that can perform various functions in the cell, contributing to the phenotype of the organism.
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