Chapter 7
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