What is the pH indicator in the Lysine Iron Agar
A. Bromothymol purple
B. Bromothymol blue
C. Bromocresol purple
D. Bromocresol blue
Ans: C. Bromocresol purple
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Biogeochemical cycles are the cycles of
A. all nutrients. B. nutrients that can be limiting for organisms. C. nutrients limiting only to plants. D. only those nutrients cycling only within organisms. E. None of these choices are correct.
Among the easiest of the mutations to isolate are those which
A. involve haploid chromosomes. B. involve antibiotic resistance. C. allow populations to be measured. D. use an indirect method for measurement. E. involve haploid chromosomes AND involve antibiotic resistance.
According to the equilibrium model of island biogeography, which island would have the greatest number of species on it?
a. small island, near mainland b. small island, further away from mainland c. large island, near mainland d. large island, further away from mainland e. large island at any distance from mainland
Which of the following metabolic pathways require(s) molecular oxygen (O2)?
a. aerobic respiration c. alcoholic fermentation b. lactate fermentation d. all of these