Over 50 percent of all sales of medically important antibiotics in the United States are for livestock use. Why is this problematic for humans?
A. The use of antibiotics for livestock means that there are not enough for use in the human population.
B. The animals may become sick from the antibiotic ingestion.
C. Resistant bacteria grow in the animals and may then be passed to humans.
D. The livestock will become resistant to the antibiotics and not respond to treatment when they have infections.
Answer: C
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Because of the green revolution, food production has kept pace with:
a. income increases. b. population growth. c. technology. d. change in skills.
There is a good chance you will eat carrageenan today and that you will eat nori at some point in your life, if you haven't already. In either case, you will be eating a product of
A) brown algae. B) red algae. C) green algae. D) diatoms.
The release of cellular products from a cell is called:
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