1. Draw and describe the possible result that may be observed on an agar plate that utilized a 4- streak quadrant method for isolation WITHOUT the conduct of proper aseptic techniques Source of inoculum: Tap water Characteristic of colony: Yellow, circular colony with entire margin and convex elevation Answer: 2. Using your fingers, you are asked to aseptically touch the surface of a sterile agar plate. Illustrate the possible result from this step if your fingers are (a) unwashed – touched various things prior to placing on agar surface, and (b) washed with soap or disinfected with 70% alcohol. Describe the relative abundance of microbial growth observed on the plates. Unwashed Washed Answer. 3. List and draw the possible characteristics of an isolated bacterial colony that can be observed based on type of (a) margin, (b) elevation, (C) texture, and (d) optical property.
1. Draw and describe the possible result that may be observed on an agar plate that utilized a 4- streak quadrant method for isolation WITHOUT the conduct of proper aseptic techniques Source of inoculum: Tap water Characteristic of colony: Yellow, circular colony with entire margin and convex elevation Answer: 2. Using your fingers, you are asked to aseptically touch the surface of a sterile agar plate. Illustrate the possible result from this step if your fingers are (a) unwashed – touched various things prior to placing on agar surface, and (b) washed with soap or disinfected with 70% alcohol. Describe the relative abundance of microbial growth observed on the plates. Unwashed Washed Answer. 3. List and draw the possible characteristics of an isolated bacterial colony that can be observed based on type of (a) margin, (b) elevation, (C) texture, and (d) optical property.
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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