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Exam (elaborations)

MCB 2610 Lab Question and answers verified to pass 2024/2025

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  • MCB 2610

MCB 2610 Lab Question and answers verified to pass 2024/2025 MCB 2610 Lab: Week 11 An antibiotic that is effective against a wide variety of pathogenic microorganisms is called a(n) _______________ antibiotic - correct answer broad spectrum TF: Bacteriostatic antiseptics kill bacteria - ...

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  • October 17, 2024
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  • 2024/2025
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  • Questions & answers
  • MCB 2610
  • MCB 2610
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MCB 2610 Lab: Week 11
An antibiotic that is effective against a wide variety of pathogenic
microorganisms is called a(n) _______________ antibiotic - correct answer
✔broad spectrum


TF: Bacteriostatic antiseptics kill bacteria - correct answer ✔false


Upon addition of Zinc to nitrate broth tubes, a red color indicated the presence
of _________ - correct answer ✔nitrate


Wescodyne is an example of a(n) _____________
(antibiotic/antiseptic/disinfectant) - correct answer ✔disinfectant


A(n) ______________ agent does not kill a microorganism, but rather just
inhibits its growth - correct answer ✔bacteriostatic


Thioglycolate broth controls the diffusion of ___________ through the tube -
correct answer ✔oxygen


T/F: The cross streak method is used in the screening of microbial isolates in
the search for new antibiotics - correct answer ✔true


Growth concentrated at the bottom of a thioglycolate broth tube indicates the
organism is an aerobe/anaerobe? - correct answer ✔anaerobe


Upon addition of Nitrate Reagents A & B to nitrate broth tubes, a red color
indicates the presence of __________ - correct answer ✔nitrite

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