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Microbiology, Bacterial Colony Morphology/Description

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.

Colony size is measured in ____ and by measuring ____ ____ ____.   Measurement in millimeters (mm) across colony diameter.  
Colony shapes consist of ____, ____, and ____.   Round, irregular, punctiform (tiny)  
The margin or the edge of a colony can be ____, ____, ____, and ____.   Entire (smooth), undulate (wavy), lobate (lobed), rhizoid  
The elevation of a colony may be ____, ____, ____, ____, or ____.   Convex, umbonate, flat, raised, or pulvinate  
The color of a colony can be ____, ____, or ____.   Color or pigment, opaque (dark), translucent  
Texture of a colony can be ____, ____, ____, ____, ____, ___, or ____.   Moist, mucous, dry (or rough), shiny, powdery, dull, or granular  
What is the purpose of an agar gel plate?   Provides a surface for microbes to grow on as well as moisture.  
What is a colony?   A pile or mass of a large number of cells growing on a solid medium that are visible to the naked eye.  


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Created by: PharmerStudent