Start codon, _____, signals mRNA to bind to small subunit of ribosome. Initiator

Question

Start codon, _____, signals mRNA to bind to small subunit of ribosome. Initiator tRNA (with amino acid methionine) attaches its anticodon _____ to mRNA in _____ site of ribosome. Large and small subunits of ribosome join. _____ is threaded through ribosome. 2^nd tRNA (with amino acid) binds its anticodon with mRNA's codon in _____ site of ribosome _____ bond form between 2 amino acids. Polypeptide chain is transferred to tRNA in the A site and 1^st tRNA moves to E site and is released. tRNA with growing polypeptide chain moves from _____ site. Elongation continues until a _____ codon reaches A site. Ribosome splits apart and polypeptide chain is released. Protein folds and becomes functional (active)

Explanation / Answer

1. AUG

2.UAC

4.mRNA

5 A-site

6 covalent

8A

9 stop

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