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LC Biology Chapter 3
Nutrition
Term | Definition |
---|---|
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 |