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LC Biology Chapter 3


Nutrition the way in which living organisms obtain and use food.
Metacolism the sum of all the chemical reactions in an organism
Continuity of life the way in which living things arise from living things of the same type
Biomolecules organic chemicals produced and found only within living organisms
Triglycerides lipids composed of one glycerol molecule and three fatty acids
Phospholipids lipids composed of one glyerol molecule, two fatty acids and one phosphate molecule
Anabolism building up of large molecules from smaleer molecules using energy
Catabolism breaking down of large molecules into smaller molecules with the release of energy
Reducing sugar Benedicts/Fehlings
Reducing sugar Blue to brick red
Starch Energy store in plants and animals
Glycogen Energy store in animals
Cellulose Source of fibre/Energy store in herbivores
Starch Iodine
Lipid Brown paper test
Structural proteins Collagen, Actin, Myosin and Keratin
Metabolic proteins Enzymes, Hormones and Antibodies
Protein Sodium hydroxide and Copper Sulfate
Protein Blue to purple
Vitamin D Calciferol
Vitamin D Fat soluble
Vitamin D Rickets
Vitamin D Sunlight
Vitamin C Ascorbic acid
Vitamin C Scurvy
Vitamin C Formation of collagen
Vitamin C Citrus fruits
Vitamin D Abosoption of calcium in the digestive system
Calcium in plants Holds plant cell walls together
Calcium in animals Formation of bones and teeth
Magnesium in plants Fomation of chlorophyll
Magnesium in animals Formation of bones
Water Medium for chemical reactions, Solvent, Transport
Anabolism Photosynthesis and Protein Synthesis
Catabolism Respiration and Digestion
Created by: gomahony