When counting colonies on an agar plate
A. it is assumed that each colony arose from division of one or a few cells.
B. only viable colonies are counted.
C. the medium must be suitable for colony growth.
D. All of these answer choices are true.
Answer:A
When counting colonies on an agar plate
A. it is assumed that each colony arose from division of one or a few cells. B. only viable colonies are counted. C. the medium must be suitable for colony growth. D. All of these answer choices are true.