An oncogene can best be described as a:
a. tumor composed of melanin.
b. tumor derived from connective tissue.
c. gene that is resistant to environmental effects.
d. gene that, when activated, causes neoplastic growth.
D
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How many pairs of chromosomes comprise the human genome?
A. 23 B. 22 C. 21 D. 20 E. 19
Carbohydrates contain
A) carbon, sulfur, and potassium. B) carbon, helium, and sodium. C) carbon, nitrogen, and phosphorus. D) carbon, hydrogen, and oxygen.
Which of the following statements regarding teenagers and beverages is false?
a. Juice is usually only consumed at breakfast. b. Soft drinks may affect bone density because they displace milk from the diet. c. Girls are more likely to drink enough milk to meet their calcium needs. d. Regular soft drink consumption can contribute to weight gain.
Liquids are restricted following a gastrectomy because they _____
a. can speed up the emptying rate of the stomach b. slow down the emptying rate of the stomach c. add unwanted kcalories d. are likely to cause aspiration e. may cause diarrhea