Multiple Choice
What role do aminoacyl tRNA synthetases play in the process of translation?
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15. Gene Expression
Introduction to Translation
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What is the role of aminoacyl-tRNA synthetase in protein synthesis?
A
It transports amino acids to the ribosome for protein synthesis.
B
It facilitates the binding of mRNA to the ribosome.
C
It assists in the formation of peptide bonds between amino acids.
D
It catalyzes the attachment of amino acids to their corresponding tRNA molecules.
Verified step by step guidance1
Understand the role of aminoacyl-tRNA synthetase: This enzyme is crucial in the process of translation, which is the synthesis of proteins from mRNA templates.
Recognize the function of tRNA: Transfer RNA (tRNA) molecules are responsible for bringing the correct amino acids to the ribosome during protein synthesis.
Identify the specific action of aminoacyl-tRNA synthetase: This enzyme catalyzes the attachment of an amino acid to its corresponding tRNA, a process known as 'charging' the tRNA.
Acknowledge the importance of this process: By attaching the correct amino acid to its tRNA, aminoacyl-tRNA synthetase ensures that the genetic code is accurately translated into a sequence of amino acids, forming a protein.
Clarify the distinction from other roles: Unlike other components of protein synthesis, aminoacyl-tRNA synthetase does not transport amino acids to the ribosome, facilitate mRNA binding, or directly form peptide bonds.
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