Which of the following pairs is mismatched?
A) Propionibacterium — Swiss cheese
B) Penicillium — blue cheese
C) Lactobacillus — yogurt
D) Acetobacter — vinegar
E) Bacillus — beer
E
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Reassortment of the genes of the influenza virus is facilitated by the fact that the genome is segmented
Indicate whether the statement is true or false.
Following the Deepwater Horizon accident in the Gulf of Mexico in 2010, bioremediation was used to eliminate much of the oil from the contaminated water. To encourage the growth of oil-degrading microbes, "fertilizer" including iron and nitrogen was added to the water. Which of the following statements regarding the growth of these microbes is incorrect?
A. The oil-degrading microbes used oil (hydrocarbons) as their carbon source. B. The concentration of sulfate in the Gulf of Mexico is sufficient for the growth of oil-degrading microbes. C. Large amounts of iron were needed, as iron is a macronutrient for oil-degrading microbes. D. Nitrogen gas (N2) present in air is not in a form that can be used by oil-degrading microbes.
If you cross RrYy and RRyy pea plants, what fraction of the offspring will have yellow peas? R = round, r = wrinkled, Y = yellow, y = green.
A. 100% B. 50% C. 75% D. 25% E. 0%
A saltwater fish tends to be ________ to its surrounding aquatic environment
A) endothermic B) isoosmotic C) hyperosmotic D) hypoosmotic