Approximately how many milliliters constitute a fluid ounce?
a. 10 b. 20
c. 30 d. 40
c
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Which of the following vitamins is a component of four carboxylase enzymes involved in carbohydrate, fat, and protein metabolism?
A. biotin B. thiamin C. niacin D. riboflavin
During the third through eighth weeks after conception a developing baby is called a(n)
A) fetus. B) embryo. C) preembryo. D) blastocyst.
What are provitamins?
A) inactive enzymes that become activated with the help of prooxidants B) vitamins with overwhelmingly positive effects when taken in the correct amounts C) inactive forms of vitamins that the body cannot use until they're converted to their active form D) vitamins with antioxidant properties
The major cause of food insecurity is now recognized to be:
a. overpopulation. b. poverty. c. inadequate food production. d. lack of education.