Multiple choice Identify the mechanism by which the antibiotic penicillin checks bacterial diseases. Penicillin blocks the bacterial mitochondria. Penicillin blocks the bacterial processes that build the bacterial toxin. Penicillin blocks the bacterial processes that build the cell wall. Penicillin blocks the bacterial processes that build the ribosomes. Penicillin blocks the bacterial processes that build the flagella. Reveal answer Fill a bubble to check yourself C Correct answer Explanation Penicillin blocks the bacterial processes that build the cell wall.