Multiple Choice
What is the function of the release factor during translation?
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15. Gene Expression
Steps of Translation
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The tRNA for which amino acid is the first to enter the ribosome?
A
Arginine.
B
Lysine.
C
Methionine.
D
Histidine.
Verified step by step guidance1
Understand that the process of translation in protein synthesis begins with the initiation phase, where the ribosome assembles around the target mRNA.
Recognize that the start codon on the mRNA is typically 'AUG', which codes for the amino acid Methionine.
Identify that the tRNA molecule carrying Methionine is the first to bind to the ribosome at the P site, initiating the translation process.
Recall that the tRNA anticodon must be complementary to the mRNA codon, so the anticodon for Methionine is 'UAC'.
Conclude that Methionine is the first amino acid to enter the ribosome during protein synthesis, as it corresponds to the start codon 'AUG'.
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