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

Nutritional Science

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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

Nutritional Science

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

Nutritional Science

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.

Nutritional Science

Describe a high-quality muffin. How does the amount of mixing influence muffin quality?

Nutritional Science