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Use the following information to answer the next few questions. A transfer RNA (#1) attached to the amino acid lysine enters the ribosome. The lysine binds to the growing polypeptide on the other tRNA (#2) already in the ribosome. Where does tRNA #2 move to after this bonding of lysine to the polypeptide?

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Answer:

The tRNA #2 will move to E SITE.

Explanation:

Translation is the process by which formation of proteins occurs from mRNA. Transcription occurs after replication and transcription.

Ribosome is the protein factory where polypeptides are formed from messenger RNA sequence. Ribosome has three sites for binding of transfer RNA.

  • A site; Binding site for tRNA with complementary codon on mRNA.
  • P site;  tRNA with growing polypeptide chain.
  • E site;  Holds tRNA without amino acids and then release it.

So in the given information the  tRNA #2 will move to E site.

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