Multiple Choice
What is the role of the A-site (aminoacyl site) in translation?
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15. Gene Expression
Introduction to Translation
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What is the primary purpose of translation in the process of gene expression?
A
To synthesize proteins from mRNA templates
B
To copy DNA into RNA
C
To replicate DNA before cell division
D
To transport amino acids into the nucleus
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 functional products, typically proteins.
Break down the stages of gene expression: Gene expression involves two main steps—transcription and translation. Transcription is the process of copying DNA into RNA, while translation is the process of synthesizing proteins from mRNA templates.
Focus on translation: Translation occurs in the cytoplasm, where ribosomes read the mRNA sequence and assemble amino acids into a polypeptide chain based on the codon sequence in the mRNA.
Clarify the role of translation: The primary purpose of translation is to synthesize proteins, which are essential for various cellular functions, using the instructions encoded in the mRNA template.
Eliminate incorrect options: The other options (copying DNA into RNA, replicating DNA before cell division, and transporting amino acids into the nucleus) describe different processes unrelated to the primary purpose of translation.
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