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Question

During protein synthesis amino acids are transported by

A
DNA
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B
tRNA
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C
mRNA
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D
rRNA
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E
RNA polymerase
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Solution

The correct option is A tRNA
  • Messenger RNAs (mRNAs) specify the amino acid sequence of one or more polypeptides, thus it transfers genetic information from DNA to ribosomes.
  • Transfer RNAs (tRNAs) read the genetic information present in the form of triplets in the mRNA and transfer the appropriate amino acid from the amino acid pool of cytoplasm to a growing polypeptide chain during protein synthesis.
  • Ribosomal RNAs (rRNAs) are structural constituents of ribosomes that provide the site for protein synthesis which makes them the most abundant form of RNA. RNA polymerase is an enzyme of RNA synthesis using a DNA template.

    Thus, the correct answer is option B.


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