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Nutrition
Proteins
5
Health Care
Undergraduate 2
10/21/2010

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Term
Proteins
Definition
compounds composed of carbon, hydrogen, oxygen, and nitrogen atoms, arranged into amino acids (AAs) linked in a chain
Term
Amino Acids
Definition
All have basic structure: The Chemist’s View of Proteins:
C, H, O like lipids & carbohydrates
Also contain N (nitrogen)
amino- = suffix that means nitrogen containing
NH3- group = amino group = alkaline (basic) = - charge
Some amino acids contain S (sulfur atoms)
Amino acids make up proteins
All amino acids have the same basic structure
Term
Essential Amino Acids
Definition
9 AA’s that the body can’t synthesize in sufficient quantity if at all
must be obtained from the diet
Term
Non Essential Amino Acids
Definition
Body can synthesize and provided in Proteins
Term
Conditionally essential AA
Definition
AA that is normally nonessential that must be supplie by the diet in special circumstances
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