In prokaryotic cells, what is the significance of the initiator tRNA carrying N-formylmethionine?

• A. It marks the start of protein synthesis and is recognized by the ribosome.
• B. It allows the ribosome to bind to the Shine-Dalgarno sequence.
• C. It prevents the ribosome from binding to the mRNA.
• D. It signals the end of translation.

Answer: (A)