A ________ is simply a piece of genetic material coated with protein.
A. virus
B. protozoan
C. parasite
D. bacterium
Answer: A
Nutritional Science
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An active 6-year-old child need about _________ kcalories per day to meet energy needs.
a. 400 b. 800 c. 1600 d. 2400 e. 3200
Nutritional Science
Which of the following substances is an essential nutrient?
A. Cholesterol B. Linoleic acid C. Bile salt D. Lecithin
Nutritional Science
What characteristic of the proteins that form red blood cells allows them to change shape and flow freely through the blood?
A) lack of quaternary structure B) long, narrow shape C) globular shape D) spherical shape
Nutritional Science
Examples of substances that cause the lower esophageal sphincter to weaken include
a. caffeine-free soft drinks. b. high-fat foods. c. decaffeinated coffee. d. salty foods.
Nutritional Science