In the Gram stain, the mordant is
A. crystal violet.
B. safranin.
C. iodine.
D. water.
E. alcohol.
Answer: C
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Bacterial cells are placed into a 250mL liquid growth medium in a closed laboratory flask. According to Malthusian theory, they will reproduce exponentially and then:
A. continue reproducing arithmetically as long as there are no limitations on food supply. B. continue reproducing geometrically as long as there are no limitations on food supply. C. continue reproducing arithmetically until the food supply is used up, then they will cease to grow. D. continue reproducing geometrically until the food supply is used up, then they will cease to grow.
Alternative autotrophic routes to the Calvin cycle such as the reverse citric acid cycle and the hydroxypropionate pathway are unified in their requirement for
A) CO2. B) coenzyme A. C) NAD(P)H. D) organic compound(s) formed.
In a motor neuron, what is the correct order of
structures from the receiving end to the terminal end?
a. axon-cell body-dendrites b. dendrites-axon-cell body c. dendrites-cell body-axon d. cell body-dendrites-axon e. axon-dendrites-cell body
A cell spends the most amount of time in which phase?
a. G1 phase b. S phase c. G2 phase d. M phase e. interphase