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Micro, lab 7

Micro 204 Broth and agar slant culture

QuestionAnswer
The small amount of growth on the end of an inoculation loop is called an X. inocculum
A flame-sterilized inoculating X is used to inoculate the medium. loop
Aseptic technique is important to prevent self-infection and X of the culture medium. contamination
In sterilizing the transfer loop the X end must also be sterilized. lower
Setting the culture cap down on the bench is a violation of XX. aseptic technique
When a growth on or in a medium contains only a species of microorganism it is called a XX. pure culture
A term often used to describe cloudiness of a broth tube are referred to as X. turbidity
When a bacterial culture grows across the surface of a broth the growth is referred to as a X. pellicle
Cells that settle to the bottom of a tube are refereed to as X. button
Growth occurring as clumps suspended in the broth is refereed to as X. flocculent
Growth around the margin of the surface of a broth tube but not across it is referred to as a X. ring formation
Name one of the ingredients in nutrition broth: beef extract
An isolated population of bacteria growing on a solid medium is called a X. colony
A slant culture of an organism which is used to make other substances is called a X culture. stock
List 3 factors that might influence the cultural characteristics of an organism growing on agar medium. 1. Nutrients available 2. Oxygen 3. Temperature
A word meaning "pigmentation" or "color" used to describe growth on an agar slant or colony is X. chromogenesis
The term used when a culture is placed at a particular temp for a period of time is X. incubation
When an inoculated tube is compared to an uninoculated tube for signs of difference the uninoculated tube serves as a X. control
Created by: kmorris8