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Nutrition - E2 - P3
Nutrition - Exam 2 - Part 3 - Proteins
Question | Answer |
---|---|
Amino acids are made up of an amino group, an acid group and a differentiating _____ group. | side |
Nonessential amino acids are dispensable amino acids that the body can ______. | synthesize |
There are ___ essential (indispensable) amino acids that must be provided by the diet. | 9 |
An example of a conditionally essential amino acids, is ______ (essential) to make ______ (nonessential). | phenylalanine, tyrosine |
Condition in which the body can’t convert phenylalanine to tyrosine? | Phenylketonuria |
A ______ connects two amino acids. | peptide bond |
Two amino acids bonded together is known as a ________. | dipeptide |
Three amino acids bonded together is known as a ________. | tripeptide |
Many amino acids bonded together is known as a ________. | polypeptide |
When proteins uncoil and lose their shape, this uncoiling can be due to heat, acid, or agitation. | denaturation |
pepsin _____ in the stomach cleaves proteins into smaller polypeptides and some amino acids. | pepsin |
______ are proteins which facilitate chemical reactions without being changed in the process. | enzymes |
______ is a protein matrix that makes up our scars, tendons, ligaments, and the foundation of bones and teeth. | collagen |
______ are proteins designed to combat antigens. | antibodies |
The amino acids made in the liver mix with amino acids from dietary protein forming your _______. | amino acid pool |
The amino acid pool is made up of both ______ and _______ amino acids. | endogenous, exogenous |
The process of proteins being continually made and broken down in the body is known as _______. | protein turnover |
______ is the removal of the nitrogen group from protein. | deamination |
______ nitrogen balance occurs when the body makes more than it breaks down (ex growing infants, pregnancy). | positive |
______ nitrogen balance occurs when the body breaks down more than it makes (ex starvation, trama, infection). | negative |
High blood _______ can be indicative of liver disease. | ammonia |
High blood _______ can be indicative of kidney disease. | urea |
What percentage of kcals should protein make up? | 10-35% |
High levels of ______ has been linked to heart disease. | homocysteine |
How long should one fast before blood glucose or blood cholesterol test? | 8-12 hours |
What is a normal blood glucose level? | 70-110 |
What are total cholesterol level guidelines? | 160 or less = optimal 161-199 = desirable 200-239 = borderline high 240+ = very high |
What are blood pressure guideline? | < 120 / < 80 = normal 120-139 / 80-89 = prehypertension 140-159 / 90-99 = stage 1 160+ / 100+ = stage 2 |