When testing the efficacy of an antibiotic against bacteria on an agar plate, it is important to spread the bacteria evenly across the plate before you add the antibiotic. Why do the bacteria need to be applied evenly? None of the following are true All of the following are true If you add more bacteria in some areas compared to others, it might obscure the effect of the antibiotic If the area right next to the antibiotic initially received relatively few bacterial cells, that might lead you to overestimate the effectiveness of the antibiotic If the area right next to the antibiotic initially received a relatively large number of bacterial cells, that might lead you to underestimate the effectiveness of the antibiotic

The disk diffusion method, also known as the Kirby-Bauer test, is used to test the effectiveness of…

Answered: When testing the efficacy of an…

Human Anatomy & Physiology (11th Edition)

11th Edition

ISBN:9780134580999

Author:Elaine N. Marieb, Katja N. Hoehn

Publisher:Elaine N. Marieb, Katja N. Hoehn

Chapter1: The Human Body: An Orientation

Section: Chapter Questions

Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...

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When testing the efficacy of an antibiotic against bacteria on an agar plate, it is important to spread the bacteria evenly across the plate before you add the antibiotic. Why do the bacteria need to be applied evenly?

		None of the following are true
		All of the following are true
		If you add more bacteria in some areas compared to others, it might obscure the effect of the antibiotic
		If the area right next to the antibiotic initially received relatively few bacterial cells, that might lead you to overestimate the effectiveness of the antibiotic
		If the area right next to the antibiotic initially received a relatively large number of bacterial cells, that might lead you to underestimate the effectiveness of the antibiotic

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