Used for the demonstration of mycobacteria:
a) PAS
b) Wartin-Starry
c) both
d) neither
Answer: d) neither
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All of the colonies form on the surface of a spread plate, whereas on a pour plate, colonies may be embedded in the agar as well as on the surface.
Answer the following statement true (T) or false (F)
In the tropics, warm but nutrient-poor water above continental shelves is often occupied by ____
a. coral reefs b. kelp forests c. rocky shores d. salt marshes e. phytoplankton blooms
For natural selection to occur, what must be present in a population?
a. genetic drift b. gene flow c. decent with modification d. variation
Comparisons of human and mouse genomes reveals
A. they have very little in common. B. the genomes are very similar, with most of the genes unique to mice linked to smell and reproduction. C. they have widely different numbers of genes, and share only a few more genes than humans and pufferfish. D. the differences between humans and mice are mainly the introns. E. the genomes are very similar, with most of the genes unique to mice linked to size and shape.