Final answer:
Tetracycline inhibits bacterial protein synthesis by blocking tRNA binding to the ribosome.
Step-by-step explanation:
Tetracycline, an antibiotic, inhibits bacterial protein synthesis by blocking the attachment of the transfer RNA-amino acid to the ribosome. This action prevents the aminoacyl-tRNA from binding to the ribosome, inhibits the translocation of the ribosome along the mRNA, and prevents the initiation of protein synthesis and the formation of new peptide bonds. Tetracycline directly affects tRNA binding to the ribosome, thus disrupting the process of protein synthesis in bacteria.