Lab 2.2: colony morphology

Question 1

Color, shape, size, and texture of microbial growth are determined by the ?? of an organism, but are also greatly influenced by ??

Answer 1

-genetic
-environmental factors

Question 2

Colony morphological characteristics may be viewed with the naked eye, a ??, a ?? microscope, or a ??

Answer 2

-hands lens
-stereo (dissecting)
-colony counter

Question 3

When reporting colony morphology, it is important to include the medium and the ?? time and ??., all which can affect a colony’s appearance

Answer 3

-incubation
-temperature

Question 4

Punctiform=
Small=
Medium=
large=

Answer 4

-<.5mm
-<1mm
-=1mm
->1mm

Question 5

Select all the parameters that you must report when describing colony morphology of any microorganism.

Answer 5

-type of medium
-temperature
-incubation time

Question 6

Colony morphological characteristics can be seen with all of the following except the

Answer 6

-compound light microscope

Question 7

True or False:
Colony morphology of any given microorganism is exclusively the result of the genotype of said microbe.

Answer 7

-false

Question 8

True or False:
Usually, a colony develops from a single bacterial cell that divides producing hundreds of thousands of identical cells.

Answer 8

-true

Question 9

Colony morphology:

Answer 9

-can vary from one microbial species to the nest