Here are the six antibiotics. These summaries may be overgeneralized in terms of

Question

Here are the six antibiotics. These summaries may be overgeneralized in terms of the fu determine if each is bacteriostatic or bacteriocidal. ergeneralized in terms of the functions. See if you can • Ampicillin - works primarily on Gram + bacteria; can work on some Gram - bacteria.it Kon some Gram-bacteria. It targets the cell wall. Erythromycin - Gram + bacteria. It targets the ribosome. It prevents a tRNA in the A-s the P-site. "gets the ribosome. It prevents a tRNA in the A-site from moving into Penicillin - Gram + bacteria. It targets the cell wall. Streptomycin - Both Gram + and Gram-bacteria ("broad spectrum"). It targets the roo the initiator tRNA from binding to the small ribosomal subunit. Bacterial Met (fMet) is dierent from eukaryotic Met. Tetracycline - Both Gram + and Gram- bacteria ("broad spectrum"). It targets the ribosome. It is site. Vancomycin - Gram + bacteria. It targets the cell wall. Now you get out those clever smartphones, and look up each type of bacterial species. Fill in the table below and cross reference to the antibiotics above to determine which species will be inhibited by which antibiotic. Table 1. Expected outcomes for bacterial response to antibiotics Species Gram classification Check to indicate which bacteria should be negatively affected by each antibiotic. AE EPST Escherichia coli Micrococcus luteus Pseudomonas fluorescens Staphylococcus epidermidis

Explanation / Answer

Ampicillin – Bactericidal

Erythromycin – Bacteriostatic

Penicillin – Bactericidal

Streptomycin – Bactericidal

Tetracycline – Bacteriostatic

Vancomycin – Bactericidal

Table 1. Expected outcomes for bacterial response to antibiotics

Species

Gram classification

Check to indicate which bacteria should be negatively affected by each antibiotic

A

E

P

S

T

V

Escherichia coli

Gram negative

Affected

Not affected

Not affected

Affected

Affected

Not affected

Micrococcus luteus

Gram positive

Affected

Affected

Affected

Affected

Affected

Affected

Pseudomonas fluorescens

Gram negative

Not Affected

Not Affected

Not Affected

Affected

Affected

Not Affected

Staphylococcus epidermidis

Gram positive

Affected

Affected

Affected

Affected

Affected

Affected

Table 1. Expected outcomes for bacterial response to antibiotics

Species

Gram classification

Check to indicate which bacteria should be negatively affected by each antibiotic

A

E

P

S

T

V

Escherichia coli

Gram negative

Affected

Not affected

Not affected

Affected

Affected

Not affected

Micrococcus luteus

Gram positive

Affected

Affected

Affected

Affected

Affected

Affected

Pseudomonas fluorescens

Gram negative

Not Affected

Not Affected

Not Affected

Affected

Affected

Not Affected

Staphylococcus epidermidis

Gram positive

Affected

Affected

Affected

Affected

Affected

Affected

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