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BIO 175 Hand Hygiene Lab Practical Report
- Course
- BIO 175
- Institution
- Wake Technical Community College
This is a comprehensive and detailed lab report on; Hand Hygiene.
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Microbiology Lab SafetyEXPERIMENT 1: IMPORTANCE OF HAND HYGIENE
Data Tables
Record growth as: (0) = no growth; (+) = little growth (less than or
equal to 5 colonies); (++) = moderate growth (6 – 20 colonies);(++ +)
= heavy growth (20 – 50 colonies); (++++) = confluent growth (no
individual colonies; rather, they grow as a “lawn” and are
uncountable).
What is a colony? A colony is a result of 1 bacterial cell (or yeast
cell) dividing over and over again in an exponential fashion as
described/shown in lecture video chapter 2.
Example of colony growth: Your colonies may look a little different
in size and color depending of types of species that grow.
Experiment 1 Colony Growth
Growth Growth Growth Growth Growth
Plate Condition
Day 1 Day 2 Day 3 Day 4 Day 5
Hand without
#1 0 + ++ ++ +++
Washing
Hand with
#2 0 + ++ +++ ++++
Washing
#3 Yeast 0 0 + + +
Deionized
#4 0 0 0 + +
Water
Take a picture of plate #3 (yeast plate) showing growth on day 5. Include
your ID in the photo.
Photo: (I apologize for the small bubble that were formed when I made the petri dish for #3
plate, other plates were much better)
©eScience Labs, 2018
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