An example of a selective medium for gram-positive organisms is:
a. MacConkey agar.
b. blood agar.
c. colistin and nalidixic acid.
d. thioglycollate broth.
C
Colistin and nalidixic acid agar contains factors to inhibit the growth of gram-negative bacteria but will allow gram-positive bacteria to grow.
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Mating a purebred Labrador retriever to a purebred poodle to produce "Labradoodles" is an example of
A. true-breeding. B. hybridization. C. self-fertilizing. D. inbreeding. E. mixed breeding.
Describe the function of N-formylmethionine in prokaryotes
What will be an ideal response?
What is the name of the tubules in true kidneys?
a. metanephridia b. protonephridia c. hepatic tubules d. nephrons
Fluid-filled sacs known as ________ function to cushion certain joints, such as the elbow joint
Fill in the blank(s) with correct word