Chapter 7

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Roberta is 25 years of age, healthy, & pregnant. Based on this information, her body is in ____ nitrogen balance.

positive

_____ is an essential amino acid

Methionine

Which of the following menu items does not contain complementary protein?

Salad made with apples, pears, & grapes

The _____ is main site of deamination in the body

liver

Evan is 28 years of age. His height is 6' 2", & he weighs 130 kg. Based on his body weight, his RDA for protein is _____ grams

104.0

Marta is 22 years of age & weighs 132 pounds. Based on her body weight, her RDA for protein is _____ grams.

48

Which of the following statements is true? A. The body needs protein to make sodium, calcium, & other mineral elements. B. The human body normally uses very little protein for energy. C. Proteins are comprised of smaller chemical units called nucleic acids. D. Proteins are comprised of phosphorus, oxygen, hydrogen, & carbon.

B. The human body normally uses very little protein for energy.

Which of the following foods is not usually responsible for causing allergic responses?

Carrots & celery D. Wheat & shellfish

_____ is the process that changes the normal shape of a protein and, as a result, the molecule loses its usual function.

Denaturation

Which of the following foods is often responsible for causing an allergic response in susceptible persons?

Peanuts

During digestion, which of the following substances denatures the proteins in food?

Stomach acid

Which of the following substances is an enzyme that participates in the digestion of proteins?

Trypsin

Rosa is a teenager who has an eating disorder characterized by self-imposed starvation. Based on this information, her body is in ____ nitrogen balance.

activated

The body uses proteins to make

certain hormones

You would like to bake a special birthday cake for a friend who has celiac disease. The original cake recipe is made with eggs, flour, milk, sugar, vanilla, & butter. To make a cake that is safe for your friend to consume, you plan to substitute _____ for the ____ in the recipe.

cornmeal; flour

A team of food scientists wants to develop a formula diet for newborns that is a nutritionally complete food that replaces human milk. To support normal infant development, the formula must have all of the following ingredients, except

homocysteine

The ____ is the primary site for nonessential amino acid production in humans.

liver

Ruben has a family history of cardiovascular disease. To reduce his risk of heart disease & stroke, he should follow a _____ diet.

vegan

Erika is a vegan. To avoid developing a serious nutritional deficiency, she needs to include a source of _____ in her diet.

vitamin B-12


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