The area of study that examines how environmental factors influence gene expression without changing the DNA is known as ____
a. genetics
b. genomics
c. nutritional genomics
d. epigenetics
e. nutrigenetics
ANS: D
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An individual with a gastrointestinal disorder that reduces his absorption of dietary fat is MOST likely to become deficient in which of the following micronutrients?
A) vitamin C B) sodium C) sulfur D) vitamin E
All of the following describe the circulatory system EXCEPT:
1.breakdown products of fat digestion are absorbed here.
2.breakdown products of proteins and carbohydrates are absorbed here.
3.it includes the heart, arteries, capillaries, and veins.
4.both 2 and 3 are correct
All of the following are recommendations for maintaining hydration status during exercise EXCEPT:
1.for short events, drink 2 cups of water one to two hours before the event. 2.for long events, drink a beverage that contains sodium and carbohydrates. 3.for all activities, water should be consumed at regular intervals. 4.fluids high in sugar and alcoholic beverages are effective at maintaining hydration.
Describe a high-quality muffin. How does the amount of mixing influence muffin quality?