Exam 7: Proteins

Judy's dietary intake provides 90 grams of protein.Her total energy intake is 2000 kcal.Approximately what percentage of her energy comes from protein?

An individual with the genetic disease PKU has a limited ability to metabolize the essential amino acid phenylalanine.

Lacto-ovo-vegetarians exclude meat,poultry,fish,and eggs from their diet.

The side chain,or R portion,of an amino acid ________.

Most animal proteins have a high biological value as their tissue amino acid composition is similar to that of human tissues.

Peanuts,cow's milk,and shellfish are among foods considered to be highly allergenic.

Foods containing all essential amino acids in the proportion needed by the body are designated as ________.

An excess intake of protein,especially from protein supplements,can increase the risk of amino acid toxicity.

Anergy is ________.

The major symptoms of kwashiorkor in children are ________.

Which of the following enzymes aids in digesting polypeptides into shorter peptides and amino acids?

Vegans need to plan their diets carefully to include adequate complementary proteins that provide the needed essential amino acids.

A process involved in the synthesis of nonessential amino acids is called ________.

Cooking an egg destroys its physiological property by ________.

When food proteins reach the stomach,HCl ________ the protein.

Excess protein intake can result in ________.

The proteins that inactivate foreign bacteria and viruses to help prevent infections are called ________.

The RDA for protein for most healthy adults is ________.

A vegan diet may be low in ________.

Protein digestion begins in the stomach,where proteins are broken down into shorter polypeptide chains of amino acids.