ch 6

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After a person consumes a glass of soy milk, where does the majority of the digestion and absorption of the protein occur?

small intestine

Which of the following is a source of complete protein?

soy milk

An acceptable main dish for a lacto ovo vegetarian would be _____.

stir fried tofu and vegetables over brown rice, a cheese and broccoli omelet, baked ziti with ricotta cheese, spinach, and tomato sauce

Kwashiorkor is a type of protein energy malnutrition that develops when _____.

there is a severe deficiency of protein in the diet but an adequate intake of energy

Unless carefully planned, vegan diets may be low in which of the following essential micronutrients?

vitamins D and B12, calcium, and iron

The latest AMDR for protein is _____ of one's daily energy intake

10 to 35 percent

Proteins consist of a chain of some combination of ____ unique amino acids.

20

An 8 ounce glass of low fat chocolate milk contains 160 kilocalories (kcal) and 8 grams of protein. What percent of the kcal in the milk comes from protein?

20 percent

Charlie is a 22yearold male nonathlete who weighs 70 kilograms. How much protein should he consume daily?

56 grams

How many amino acids are considered essential to consume in the diet?

9

What happens to the amino acids that are absorbed after the digestive process is complete?

A limited supply of all amino acids remains in amino acid pools in the blood and inside the cells, Some amino acids are degraded and the nitrogen excreted in urine while the carbon, hydrogen, and oxygen remains are used for energy, or are stored as fat, Many amino acids are used to build and maintain body tissues, make new clotting proteins, enzymes, antibodies, neurotransmitters, and other products.

The part of the protein molecule that contains nitrogen is called the ________.

amine group

Limited amounts of surplus amino acids are stored in the body in _____.

amino acid pools

A healthy immune system depends on an adequate supply of proteins that bind to and neutralize harmful invaders.What are these proteins known as?

antibodies

What food can be eaten with brown rice to ensure all of the body's amino acid needs are met?

black beans, almonds, tofu

Proteins act as ____________ and help to maintain proper pH in blood by picking up or donating hydrogen ions

buffers

Which of the following foods is a source of complete protein?

chicken breast

The process that destroys the shape and activity of proteins when heat, acid, salts, or pressure is applied is known as_.

denaturation

Protein synthesis is directed by a compound in the cell nucleus called ___________.

deoxyribonucleic acid (DNA)

Proteins play important roles in the body, including _____.

fighting off the flu and other infections, transporting nutrients through the blood, aiding in digestion

Which of the following is a major function of protein in the human body?

maintaining fluid balance, growth and maintenance of new tissue, synthesis of certain hormones

Which of these elements is found in proteins but not in carbohydrates and lipids?

nitrogen

Which of the following sources of protein has the highest digestibility?

pork

A body that retains more nitrogen than it excretes is in _______.

positive nitrogen balance Complete protein is found abundantly in _____.-meat

Which of the following will not denature a protein?

refrigerating milk


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