Nutrition Chapter 6 Review
It is recommended that you consume from 10 to ________ percent of your total daily calories from protein.
35
A gram of protein contains ________ calories.
4
A high-protein diet has been linked to a lower risk of heart disease.
False
A protein is considered a complete protein if it contains all eleven nonessential amino acids and some of the nine essential amino acids.
False
According to the NIH, approximately one in twelve African Americans and one in 100 Asians are carriers of the mutated gene that causes sickle-cell anemia.
False
Proteins within the body help to maintain fluid balance but not acid-base balance.
False
The type of RNA that collects the amino acids needed to make a protein is called mRNA.
False
Whole-wheat bread contains complete proteins.
False
Proteins can be denatured or rendered inactive by which of the following factors?
Acids
Proteins that minimize fluctuations in pH are known as
Buffers
The most abundant protein in the body is
Collagen
A classic symptom of severe kwashiorkor is ________ of the legs, feet, and stomach.
Edema
Isoflavones have a chemical structure similar to
Estrogen
Which foods are most likely missing when a person is on a high-protein, low-carbohydrate diet?
Fruits
The condition characterized by a severe deficiency of calories is known as
Marasmus
A person fighting a fever would be in ________ nitrogen balance.
Negative
An amino acid that can be synthesized in the body is considered to be
Nonessential
Digestion of protein within the stomach begins with the enzyme
Pepsin
Amino acids are joined together by which kind of bond?
Peptide bond
A study of Chinese women revealed that those who ate the most ________ during their adolescent years had a reduced risk of breast cancer in adulthood.
Soy
Complemented proteins result from the combination of two incomplete proteins.
True
Consuming too much of any one amino acid in protein supplements can impede absorption of other amino acids in the intestinal tract.
True
During periods of starvation, the carbon skeletons of amino acids are used for energy and for gluconeogenesis.
True
Numerous research studies have shown that bones lose calcium when a person's diet is too high in protein.
True
When amino acids are broken down, they lose their amine groups.
True