Envir Chem Unit B - 1.1-1.4 Part B
About this set
Created by:
rurbanik on December 2, 2010
Subjects:
organic compounds, inorganic molecules
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16 terms
Terms | Definitions |
|---|---|
 organic | molecules that contain carbon |
| inorganic | molecules that do not contain carbon |
| nutrients | elements or compounds that organisms need for living, growing and reproducing. |
| macronutrients | large scale of nutrients |
| micronutrients | small scale of nutrients |
| carbohydrates | A type of organic molecule that contains C, H, O. E.g. Glucose, starch, glycogen |
| lipids | A type of organic compound composed of C, H, O that forms fats, lipids, waxes. |
| Proteins | A type of organic molecule that is made up of amino acids that contain C, H, O & N. The function includes: growth & repair, source of energy. |
| Nucleic Acids | Largest and most complicated molecules found in living things. Made up of phosphates, ribose (simple sugar) and nitrogen. Function: heredity & controls cell activities. |
| Diffusion | The movement of molecules from an area of higher concentration to one of lower concentration. |
| Osmosis | A type of diffusion. The movement of water through the walls from an area of high concentration of water to a low concentration of water. |
| active transport | Using energy to move molecules of nutrients in the direction opposite of diffusion. |
| Passive transport | Does not use energy to move molecules. |
| Ingestion | The process of taking food into our bodies. |
| Hydrolysis | The breakdown (lysis) of large organic molecules using water (hydro) |
| Substrate | The material on which an organism moves or lives. |
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