A transfer RNA (#1) attached to the amino acid lysine enters the ribosome. The lysine binds to the growing polypeptide on the ot her tRNA (#2) in the ribosome already. Where does tRNA #2 move to after this bonding of lysine to the polypeptide?
A. P site
B. A site
C. E site
D. directly to the cytosol
E. exit tunnel
1 answer:
Answer: E-site
Explanation:
The exit site (E-site) is the third and final binding site during protein synthesis. After attachment to the aminoacyle (A-site) or peptidyle (P-site) as in the case, tRNA moves to the exit site.
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