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Lab Final Exam.pdf10/20/2026, 4:09:33 AM Lab Final Exam.pdf10/20/2026, 4:09:33 AM Lab Final Exam.pdf10/20/2026, 4:09:33 AM
agent that kills bacteria upon exposure bacteriocidal
agent naturally produced by microorganisms antibiotic
agent that slows the growth of bacteria bacteriostatic
agent artificially synthesized or manipulated from antimicrobial
other products
targets DNA gyrase, preventing DNA replication novobiocin
within a cell
Disrupts cell wall stability, eventually leading to cell penicillin
lysis
binds with bacterial ribosomes to prevent cell gentamicin
growth and cell division
the mold that alexander fleming observed penicillium notatum
preventing bacterial growth was
since the discovery and use of antibiotics, we no false
longer need to worry about bacterial infections
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Lab Final Exam.pdf10/20/2026, 4:09:33 AM Lab Final Exam.pdf10/20/2026, 4:09:33 AM Lab Final Exam.pdf10/20/2026, 4:09:33 AM
penicillin works by disrupting cell wall stability
novobiocin prevents the function of ______ in a cell DNA gyrase
bacteriostatic antibiotics cause an inhibition of true
growth rather than cell lysis and death
gentamicin binds with bacterial _______ ribosomes
the effective zone of inhibition is the same for all false
antibiotics
an antibiotic is a synthetic drug produced in a false
laboratory
______ is a genus that produces antibiotics all of the above: Bacillys, Cephalosporium, and Streptomyces
penicillin is produced by a ____ mold
novobiocin is a bacteriostatic, narrow-spectrum true
antibiotic
gentamicin is synthesized by a ___ gram-positive bacteria
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Lab Final Exam.pdf10/20/2026, 4:09:33 AM Lab Final Exam.pdf10/20/2026, 4:09:33 AM Lab Final Exam.pdf10/20/2026, 4:09:33 AM
bacteriocidal agents kill bacteria by _____ cell wall lysis
resistant bacteria will exhibit ____ during a kirby- no zone of inhibition
bauer diffusion test
a spreader is used when inoculating a kirby-bauer create a uniform bacterial lawn
diffusion plate to ___
zones of inhibition should be measured after they false
exceed 25 mm
the diagram below illustrates resistance to drug ___ A
(nothing around A, little around B, large around C)
______ are asexually produced spores of the conidia
penicillum fungus
describes individual colonies on a plate's surface colony forming unit
the number of individuals doubles each generation exponential growth
cloudiness of a fluid caused by large numbers of turbidity
particles/organisms
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Lab Final Exam.pdf10/20/2026, 4:09:33 AM Lab Final Exam.pdf10/20/2026, 4:09:33 AM Lab Final Exam.pdf10/20/2026, 4:09:33 AM
agent that kills bacteria upon exposure bacteriocidal
agent naturally produced by microorganisms antibiotic
agent that slows the growth of bacteria bacteriostatic
agent artificially synthesized or manipulated from antimicrobial
other products
targets DNA gyrase, preventing DNA replication novobiocin
within a cell
Disrupts cell wall stability, eventually leading to cell penicillin
lysis
binds with bacterial ribosomes to prevent cell gentamicin
growth and cell division
the mold that alexander fleming observed penicillium notatum
preventing bacterial growth was
since the discovery and use of antibiotics, we no false
longer need to worry about bacterial infections
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Lab Final Exam.pdf10/20/2026, 4:09:33 AM Lab Final Exam.pdf10/20/2026, 4:09:33 AM Lab Final Exam.pdf10/20/2026, 4:09:33 AM
penicillin works by disrupting cell wall stability
novobiocin prevents the function of ______ in a cell DNA gyrase
bacteriostatic antibiotics cause an inhibition of true
growth rather than cell lysis and death
gentamicin binds with bacterial _______ ribosomes
the effective zone of inhibition is the same for all false
antibiotics
an antibiotic is a synthetic drug produced in a false
laboratory
______ is a genus that produces antibiotics all of the above: Bacillys, Cephalosporium, and Streptomyces
penicillin is produced by a ____ mold
novobiocin is a bacteriostatic, narrow-spectrum true
antibiotic
gentamicin is synthesized by a ___ gram-positive bacteria
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Lab Final Exam.pdf10/20/2026, 4:09:33 AM Lab Final Exam.pdf10/20/2026, 4:09:33 AM Lab Final Exam.pdf10/20/2026, 4:09:33 AM
bacteriocidal agents kill bacteria by _____ cell wall lysis
resistant bacteria will exhibit ____ during a kirby- no zone of inhibition
bauer diffusion test
a spreader is used when inoculating a kirby-bauer create a uniform bacterial lawn
diffusion plate to ___
zones of inhibition should be measured after they false
exceed 25 mm
the diagram below illustrates resistance to drug ___ A
(nothing around A, little around B, large around C)
______ are asexually produced spores of the conidia
penicillum fungus
describes individual colonies on a plate's surface colony forming unit
the number of individuals doubles each generation exponential growth
cloudiness of a fluid caused by large numbers of turbidity
particles/organisms
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