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Multiple Choice
What molecule is responsible for transferring amino acids to the ribosome during translation?
A
tRNA
B
DNA
C
rRNA
D
mRNA
Verified step by step guidance
1
Understand the process of translation, which is the synthesis of proteins from mRNA templates. This occurs in the ribosome, where amino acids are assembled into a polypeptide chain.
Identify the role of each type of RNA involved in translation: mRNA (messenger RNA) carries the genetic code from DNA to the ribosome, rRNA (ribosomal RNA) is a component of the ribosome, and tRNA (transfer RNA) is responsible for bringing amino acids to the ribosome.
Focus on the function of tRNA. Each tRNA molecule has an anticodon region that is complementary to a codon on the mRNA strand. This ensures that the correct amino acid is added to the growing polypeptide chain.
Recognize that tRNA molecules are charged with specific amino acids by enzymes called aminoacyl-tRNA synthetases before they participate in translation.
Conclude that tRNA is the molecule responsible for transferring amino acids to the ribosome during translation, as it matches the mRNA codon with the appropriate amino acid.