Question:
tRNA is referred to as an "adapter molecule" primarily because it:
tRNA is referred to as an "adapter molecule" primarily because it:
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tRNA is often referred to as an "adapter" because it helps translate the genetic code from mRNA into a specific sequence of amino acids during protein synthesis.
Updated On: Apr 12, 2025
- carries genetic information from the nucleus to the ribosome.
- catalyzes the formation of peptide bonds between amino acids.
- acts as a link between the mRNA codon and the corresponding amino acid.
- provides the structural framework for the ribosome.
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The Correct Option is C
Solution and Explanation
tRNA (transfer RNA) plays a crucial role in protein synthesis. Its primary function is to act as a bridge between the mRNA codon and the corresponding amino acid. tRNA carries the amino acid and binds to the mRNA at the ribosome during translation. The tRNA has an anticodon that is complementary to the codon of the mRNA, ensuring that the correct amino acid is added to the growing polypeptide chain.
- Option (A) is incorrect because tRNA does not carry genetic information from the nucleus to the ribosome. mRNA is responsible for this task.
- Option (B) is incorrect because the catalysis of peptide bond formation is carried out by the ribosome, not by tRNA.
- Option (D) is incorrect because the structural framework for the ribosome is provided by rRNA, not tRNA.
Therefore, the correct answer is option (C).
- Option (B) is incorrect because the catalysis of peptide bond formation is carried out by the ribosome, not by tRNA.
- Option (D) is incorrect because the structural framework for the ribosome is provided by rRNA, not tRNA.
Therefore, the correct answer is option (C).
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