Multiple Choice
In translation, what molecule brings specific amino acids to the ribosome by matching its anticodon to the mRNA codon?
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5. DNA to RNA to Protein
tRNA, rRNA and the Codon Code
Multiple Choice
In translation, what does tRNA carry to the ribosome?
A
A copy of the DNA template strand used to synthesize mRNA
B
A specific amino acid matched to an mRNA codon via its anticodon
C
The catalytic peptidyl transferase activity that forms peptide bonds
D
Ribosomal proteins that form the large and small ribosomal subunits
Verified step by step guidance1
Understand the role of tRNA in translation: tRNA (transfer RNA) is responsible for bringing specific molecules to the ribosome during protein synthesis.
Recall that mRNA carries the genetic code in the form of codons, which are sequences of three nucleotides that specify particular amino acids.
Recognize that each tRNA has an anticodon region that is complementary to an mRNA codon, allowing it to match the correct amino acid to the mRNA sequence.
Identify that the main function of tRNA is to carry a specific amino acid corresponding to its anticodon to the ribosome, where the amino acid will be added to the growing polypeptide chain.
Distinguish this function from other options: tRNA does not carry a copy of the DNA template, does not have catalytic activity, and does not form ribosomal proteins.
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