The antibiotic penicillin targets the synthesis of peptidoglycan in bacterial cell walls. What specific step of peptidoglycan synthesis does it affect?

a) transport of peptidoglycan subunits across the plasma membrance
b) biosynthesis of N-acetylglucosamine and N-acetylmuramic acid
c) formation of cross-links between tetrapeptide side chains
d) glycolysis bonding of N-acetylmuramic acid to N-acetylglucosamine
e) hydrolysis of strach to release glucose monomers


Answer: c) formation of cross-links between tetrapeptide side chains

Biology & Microbiology

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