A microbiologist must culture a patient's feces for intestinal pathogens. Which of the following components would likely be present in a selective medium for this purpose?
A. NaCl
B. Thioglycolic acid
C. Bile salts
D. Peptone
E. Sheep red blood cells
Answer: C
You might also like to view...
What is an ecotone?
a. a parasite that is external to the body b. a parasite that is internal to the body c. an example of an individualistic hypothesis d. a zone between two communities
e. the combination of species in an environment that is constantCactus spines are modified leaves adapted for dry climates, while the leaves of the Venus fly trap plant are adapted to
capture insects. These structures are therefore ____.
a. analogous b. homologous c. recessive d. homozygous e. morphogenic
Within the phylum apicomplexan, which gametes are motile?
A) Female B) Male C) None of the gametes are motile
Which of the following is true of allosteric enzymes?
A) Their activity can be increased by competitive inhibitors. B) Their activity can be reduced when the product binds the enzyme. C) Their coenzyme is removed when the product binds the enzyme. D) Their activity can be reduced when the substrate binds the enzyme.