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.
Microbiology for Surgical Technologists (MindTap Course List)
2nd Edition
ISBN:9781111306663
Author:Margaret Rodriguez, Paul Price
Publisher:Margaret Rodriguez, Paul Price
Chapter4: The Prokaryotes
Section: Chapter Questions
Problem 5UTM
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