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10 Cards in this Set

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non-essential amino acids
become essential under special circumstances
positive balance
in periods of growth and repair
growth- babies, pregent women
repair- broken bones(repiar: to heal wounds)
positive balance
in periods of growth and repair
growth- babies, pregent women
repair- broken bones(repiar: to heal wounds)
positive balance
in periods of growth and repair
growth- babies, pregent women
repair- broken bones(repiar: to heal wounds)
nitrogen balances
negative and positive balance
Negative balance intake is less than N output
Positive balance (protein in foods) is greater than N output (urine)
what are the 9 essential amino acids?
histidine, isoleucine, lysine, methionine, phenylalanine, threonine, tryptophan, and valine
essential amino acids
amino acids that either cannot be synthesized at all by the body or cannot be synthesized in amounts sufficient to meet physiological needs.
nitrogen
ability to balance as a compond, complex molecules- chains of amino acids by connected peptide bonds
Proteins facilitate chemical reactions.
composed of carbon, hydrogen, oxygen, and in addition, nitrogen, and usually sulfur
dipeptide
protein fragments that are two amino acids long. A peptide is a strand of amino acids (di means "two")