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BIO 347 Lab P.7-14
Microbiology Lab 1 Review
16
Biology
Undergraduate 3
03/23/2009

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Cards

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?

[image]

Definition
round
Term
What bacterial colony shape is this?[image]
Definition
irregular
Term

What bacterial colony shape is this?

[image]

Definition

curled

Term

What bacterial colony edge shape is this?

[image]

Definition
entire
Term

What bacterial colony edge shape is this?

[image]

Definition
filamentous
Term

What bacterial colony edge shape is this?

[image]

Definition
undulate irregular
Term

What bacterial colony edge shape is this?

[image]

Definition
lobate irregular
Term

What bacterial colony elevation shape is this?

[image]

Definition

raised

Term

What bacterial colony elevation shape is this?

[image]

Definition
flat
Term

What bacterial colony elevation shape is this?

[image]

Definition
convex
Term

What bacterial colony elevation shape is this?

[image]

Definition
umbonate
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