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BIO 347 Lab P.7-14
Microbiology Lab 1 Review
16
Biology
03/23/2009

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Term

What is a bacterial colony?

Definition
a collection of many bacteria (several million) on a surface such as agar resulting from the growth and reproduction of one or a few bacteria placed there by design or accident
Term
Because a colony produced by a single bacterium has distinctive characteristics, colony characteristics can be a useful means for _____.
Definition
distinguishing between different bacteria
Term
Colony characteristics are most useful when bacteria are compared under _____ growth conditions, and become especially useful when viewing different colonies in a single _____.
Definition
identical, Petri dish
Term
Define aseptic technique.
Definition

methods to handle sterile media or pure cultures without contamination

Term
To flame a sterilize loop, _____.
Definition
place it in a burner flame until red hot then cool in the air for 5-10 seconds
Term

What bacterial colony shape is this?

Definition
round
Term
What bacterial colony shape is this?
Definition
irregular
Term

What bacterial colony shape is this?

Definition

curled

Term

What bacterial colony edge shape is this?

Definition
entire
Term

What bacterial colony edge shape is this?

Definition
filamentous
Term

What bacterial colony edge shape is this?

Definition
undulate irregular
Term

What bacterial colony edge shape is this?

Definition
lobate irregular
Term

What bacterial colony elevation shape is this?

Definition

raised

Term

What bacterial colony elevation shape is this?

Definition
flat
Term

What bacterial colony elevation shape is this?

Definition
convex
Term

What bacterial colony elevation shape is this?

Definition
umbonate