Monozygotic twins are _____, while dizygotic twins are _____.
A. always the same sex; always different sexes
B. the same sex 50% of the time; always the same sex
C. always the same sex; the same sex 50% of the time
D. always different sexes; always the same sex
E. the same sex 50% of the time; always different sexes
Answer: C
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Discuss several examples of naturally occurring toxicants in foods and appropriate methods to minimize exposure to them
What will be an ideal response?
Generally, fruits are not good sources of trace minerals. The exceptions are _____
a. molybdenum and zinc b. copper and molybdenum c. chromium and manganese d. copper and selenium
Which of the following statements regarding vitamin deficiency is false?
A. Biochemical deficiency can often be identified by blood or tissue tests B. Subclinical malnutrition always impairs physical performance C. A clinically manifest vitamin deficiency adversely affects both health and performance D. Bioavailability is the amount of a nutrient that the body absorbs
What is a valid reason for consuming a vitamin or mineral supplement?
a. behavioral problems b. diagnosed deficiency c. sexual dysfunction d. obesity e. autism