Question

1. why do the polypeptides made in prokaryotes always contain formyl methionine as the first amino acid? the terminator trna adds formyl methionine first. the initiator trna adds methionine amino acid first. the initiator trna adds formyl methionine first. the terminator trna adds methionine amino acid first.

Explanation:

In prokaryotes, the initiator tRNA carries formyl - methionine and starts the polypeptide - synthesis process, adding formyl - methionine as the first amino acid. Terminator tRNA is involved in stopping translation, not starting with an amino - acid addition.

Answer:

The initiator tRNA adds formyl methionine first.