Prions are of significance because they cause infections of
A. plants.
B. prokaryotes.
C. domestic animals and humans.
D. fungi.
Answer: C
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Eutrophic waters
A. are nutrient rich. B. may become hypoxic. C. lack phosphate, nitrate and iron. D. contain 3.5% salt. E. are nutrient rich AND may become hypoxic.
Genetic engineering technology is being applied to use bacteria in all of the following areas except
A. antibiotic production. B. bioremediation. C. making human proteins. D. specialized transduction.
With the advent of photosynthesis and the subsequent production of oxygen by photosynthetic organisms, most of the anaerobic organisms present on Earth became extinct because oxygen was actually toxic to these organisms
Indicate whether the statement is true or false
Refer to the figure above. At what numbered point on the graph above does the helium flash occur?