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Food/Biomolecules - Coggle Diagram
Food/Biomolecules
Protein
Smallest unit of protien is a amino acid
20 amino acids called a protein
Peptide is made of a small number of amino acids
A polypeptide has more than 20 amino acids
A protein is 200 amino acids
biuret test-blue to purple if protein is there
Structural role: keratin in nails & hair
Metabolic role: repairs cells
Carbohydrates
Disaccharides(Two sugar units)
Monosaccharides(one sugar unit)
Polysaccarides(Many sugar units)
Benedicts test-Test for reducing sugars (brick red)
Test for starch-yellow orange to blue black
Structural role: cellulose in cell wall
Metabolic role: provides energy
Minerals
Minerals in animals-(Iron)(steak)
Minerals in plants-(magnesium)(calcuim)
Water is essential for life -provides basis for transport system in organs
Water
why water is impoprtant to living thing-Good solvent
Lipids
Triglycerides-(1 glycerol)(3 fatty acids)
Phospholipids(1 glycerol)(2 fatty acids)
Test for lipids-Permanent translucent spot
Structural role: phospholipid in cell membranes
We need nutrients for
Energy
To make chemicals needed for metabolic reactions
Growth and repair
Vitamins
Types of vitamins are vitamin c(citrus fruits) and d(milk)
Deficiency for vitiman C is Scurvy
Deficiency of vitiman D is Rickets
Catabolic vs Ananbolic
Catabolic-breakdown of larger molecules
Ananbolic-Synthesis of larger molecules