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Biomolecules of food? protein, fat/lipids, carbs, vitamins, minerals & water
Ratio of hydrogen:oxygen? 2:1
components of carbohydrates? CHO = carbon hydrogen oxygen
what are monosaccharides? 1 sugar unit e.g glucose
what is the chemical equation for glucose? C6H12O6
what are disaccharides? 2 sugar units e.g. sucrose
what are polysaccharides? 3 or more sugar units e.g. starch, glycon, cellulose, chitin
what is the structural role of polysaccharides? cellulose builds plant cell walls & chitin builds insect exoskeletons & fungal cell walls (Rhizopus)
what is the metobolic role of polysacchairdes? storage of energy -> starch in plants and glycogen in animals (liver)
What sugar is in DNA? Deoxyribose
what sugar is in RNA? Ribose
Components of proteins CHON = carbon, hydrogen, oxygen, nitrogen & ocassionally sulphur and phosphurus
what units are in protein amino acids
what links amino acids together peptide bonds = forms peptide chains
what shape do amino acids fold into globular
structural role of protein? collagen which builds skin & myosin which builds muscle (fiborus structure)
metabolic structure of protein? formation of enzymes and hormones.
componnets of fat? CHO = carbon, hydrogen, nitrogen
what are the 2 types of fat? Phospholipid and the basic unit is triglyceride
what does triglyceride have? 1 glycerol and 3 fatty acids
What does phospholipid have? 1 glycerol, 2 fatty acids and 1 phosphate group
what is the structural role of fat? phospholipids build cell walls
what is the metabolic role of fat? release and stores energy
Created by: amykavanaghh