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Nutrition - E2 - P3

Nutrition - Exam 2 - Part 3 - Proteins

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
Created by: K1N1V