On MacConkey agar, Serratia spp. would appear:
a. red.
b. colorless.
c. green.
d. yellow.
A
Serratia are late lactose fermenters and would therefore appear red on MacConkey agar.
You might also like to view...
Which of the following is the best description of a protozoan?
A. a heterotrophic protist B. a chemotrophic protist C. a heterotrophic prokaryote D. a chemotrophic prokaryote E. a photosynthetic protist
To approach females, male spiders plug the web of the female to alert her to their presence
and to communicate that they are a potential mate rather than a prey item. This type of communication involves __________.
a. mechanoreceptors b. a cochlea c. depth perception d. pheromones
In the illustration, isoleucine can enter and exit the citric acid cycle at what point?
a. fumarate
b. succinyl CoA
c. acetyl CoA
d. acetoacetate
Which of the following does NOT happen with
hyperthermia?
a. nervous system impairment b. blood flow to the liver and gut decreases c. body fluids become less concentrated d. all of these happen in hyperthermia e. more than one of these does NOT happen with hyperthermia