There is a school of thought that encourages humans to give up eating meat and become herbivores. What are the advantages to this?
What will be an ideal response?
By eating lower on the food chain, a person is making better use of the energy (less energy is lost in moving between trophic levels) and there is less bioaccumulation.
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Which of the following statements concerning cancer and mutations is correct?
A. Cancer can only occur with a mutation in a somatic cell. B. Cancer can only occur with a mutation in a germ cell. C. Usually multiple mutations are required in different genes to cause cancer. D. Usually a single mutation is all that is required to cause cancer. E. None of the answer options is correct.
Tendons connect
a. bones to bones. b. bones to ligaments. c. muscles to bones. d. bones to cartilage. e. ligament to cartilage.
Which autosomal dominant condition can be controlled by dietary means?
a. cystic fibrosis b. PKU c. Tay-Sachs disease d. Marfan syndrome e. achondroplasia
Which statement is not true of endotoxins?
A) They can lyse amoebocytes found in crab hemolymph. B) Endotoxins are produced by Neisseria meningitidis and E. coli. C) They are easily eliminated from the body as a result of antitoxin production. D) They can induce chills, fever, aches, clotting, shock, and miscarriage. E) They are more heat-resistant than exotoxins are.