Antimicrobial Chemotherapeutic Agents The scientist who first discovered the substance penicillin was Alexander Fleming none of these Joseph Lister Paul Ehrlich Alexander Fleming none of these Joseph Lister Paul Ehrlich ANSWER DOWNLOAD EXAMIANS APP
Antimicrobial Chemotherapeutic Agents Which of the following may cause resistance to penicillin? Production of β-lactamases by bacteria Impermeability of cell envelope Alteration or lack of penicillin-binding proteins All of these Production of β-lactamases by bacteria Impermeability of cell envelope Alteration or lack of penicillin-binding proteins All of these ANSWER DOWNLOAD EXAMIANS APP
Antimicrobial Chemotherapeutic Agents Which of the following drugs may show plasmid-mediated resistance? Nalidixic acid Methicillin Rifampicin Ampicillin Nalidixic acid Methicillin Rifampicin Ampicillin ANSWER DOWNLOAD EXAMIANS APP
Antimicrobial Chemotherapeutic Agents Most antibiotics are isolated from aquatic microorganisms soil microorganisms plants viruses aquatic microorganisms soil microorganisms plants viruses ANSWER DOWNLOAD EXAMIANS APP
Antimicrobial Chemotherapeutic Agents Novobiocin can be used against gram +ve Staphylococci Haemophilus gram -ve Meningococci & Gonococci all of these gram +ve Staphylococci Haemophilus gram -ve Meningococci & Gonococci all of these ANSWER DOWNLOAD EXAMIANS APP
Antimicrobial Chemotherapeutic Agents Which is not an amino acid and peptide antibiotic? Penicillin Actinomycin Tetranactin Bacitracin Penicillin Actinomycin Tetranactin Bacitracin ANSWER DOWNLOAD EXAMIANS APP
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