Food and Energy

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nutrients not made by living things

20 proteins made up of small linked units

substances in food that provide raw materials

sugar, major source of energy for body

amount of energy needed to raise temp of 1 Gram water by 1 degree Celcius

Major source of energy, provide raw materials to cell parts

Energy containing nutrients that form part of cell membrane, protect organs and insulate the body.

helper molecules that speed up chemical reactions