After using crystal violet to visualize endospores in the bacterium Bacillus cer
ID: 25506 • Letter: A
Question
After using crystal violet to visualize endospores in the bacterium Bacillus cereus, a student observes dark purple rods. These rods can be described as...a) structures very resistant to heat
b) covered in mycolic acid
c) metabolically active vegetative cells
d) reproductive structures
Which one of the following is an example of a negative stain?
a) Metachromatic granule stain
b) Acid fast stain
c) Endospore stain
d) Capsule stain
The ______ of a species of bacteria may change when incubation temperature changes.
a) Gram reaction
b) cellular arrangement
c) colony morphology
Explanation / Answer
c) metabolically active vegetative cells d) Capsule stain c) colony morphology