Microorganisms are termed "pathogenic" when they
A. are capable of causing disease.
B. mutate into other forms.
C. have died.
D. have multiplied rapidly.
Answer: A
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What vitamin needs to be attached to intrinsic factor (IF) to be absorbed?
A) Vitamin A B) Vitamin C C) Vitamin B6 D) Vitamin B12
Which of the following statements is true?
A. The human digestive tract cannot digest the peptide bonds that hold amino acids together. B. A protein molecule loses its natural folded and coiled shape as well as its usual functions when it undergoes hydrogenation. C. Application of heat, alcohol, or acid can kill proteins. D. Transamination is the process of removing the nitrogen group from an amino acid and transferring it to another substance.
The nutrition researchers at Excellent State U conducted an epidemiologic study of the students' consumption of snacks from campus vending machines. They found that most first-year students purchased snacks from the vending machines and that the average weight gain for first-year students was 15-25 pounds during the year. Which of the following is an appropriate conclusion?
a. Eating snacks from vending machines causes students to gain weight. b. For first-year students, there may be an association between purchasing snacks from vending machines and gaining weight. c. For first-year students, eating snacks from vending machines causes a weight gain of 15-25 pounds. d. For college students, there may be an association between purchasing snacks from vending machines and gaining 15-25 pounds during their first year.
The diet-related number-one cause of death in the United States is
A. kidney disease. B. diabetes. C. stroke. D. heart disease.