Which of the following is true about new biotechnology?
A. Compared to conventional breeding, it is more inefficient and has inconsistent results.
B. It differs from traditional methods because it does not change any of the genetic material (DNA) of organisms to improve characteristics.
C. The public's response to its use has been extremely positive.
D. It allows scientists to create fruits and grains with greater amounts of nutrients such as beta-carotene (e.g., golden rice) and vitamins E and C.
Answer: D
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The most widespread form of malnutrition in the world today is protein-energy malnutrition (PEM)
a. True b. False Indicate whether the statement is true or false
The most common impact of heavy alcohol consumption on vitamin status is
A. impaired absorption. B. degradation of the vitamin. C. increased fecal excretion. D. impaired synthesis of the vitamin.
Large doses of riboflavin are generally nontoxic.
Answer the following statement true (T) or false (F)
To assess body composition, health-care professionals most often use BMI and
a. skinfold thickness. b. hydrodensitometry. c. waist circumference. d. bioelectric impedence.