Thiomargarita species store large amounts of ________ in huge internal vacuoles.
A. nitrate
B. oxygen
C. sulfate
D. hydrogen sulfide
Answer: A
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The first step in the Gram-stain sequence is the application of _______, which is the primary stain
a. safranin b. crystal violet c. Gram's iodine d. Gram's decolorizer
The cavities inside the brain are termed
A. sinuses. B. ventricles. C. cavities. D. sulci.
There is a single gene that controls the ability to taste PTC paper. The ability to taste is dominant to the inability to taste. If you can taste the paper, it is very bitter. Which of the following genotypes can taste the paper?
A. only Pp B. both PP and Pp C. only pp D. both PP and pp E. only PP
Characteristics that have arisen as a result of common evolutionary descent are said to be
A) Shared characteristics B) Derived Characteristics