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Topic 1
| Question | Answer |
|---|---|
| Active Transport | The process by which cells use energy to transport molecules through the cell membrane from areas of low concentration to areas of high concentration |
| Amino Acids | Any one of several building blocks of proteins |
| Cell | The basic unit and structure of living things |
| Cell Membrane | The thin boundary between the cell and it's environment |
| Cell Respiration | The process by which nutrients are broken apart releasing the chemical energy stored in them |
| Chloroplast | The green organelle that contains chlorophyll and where photosynthesis take place |
| Circulation | the flow of materials within a cell as well as between parts of a multicellular organism |
| cytoplasm | the jelly like substance that is between the cell membrane and the nucleus and that contains specialized structures |
| digestion | the process that brakes down large food molecules that the organism can use |
| diffusion | the movement of molecules form areas of high concentration to areas of low concentration |
| enzymes | proteins that speed up the rate of chemical reactions in living things |
| excretion | the removal of all of the wastes produced by the cells of the body. |
| homeostasis | the ability of organism to maintain a stable internal environment even when the external environment changes |
| hormone | a chemical produced in the endocrine glands |
| immunity | the bodies ability to destroy pathogens before they cause diseases |
| inorganic | a type of molecule that does not contain both carbon and hydrogen but can contain any other combination of elements |
| metabolism | all the chemical reactions that occur in the cells of an organism |
| mitochondria | pod shaped organelle that contains enzymes used to extract energy form nutrients |
| nucleus | a large structure within a cell that controls the cells metabolism and stores genetic information including chromosomes and DNA |
| organ | a body structure made of different kinds of tissues combined to preform a specific function |
| organ system | several organs that work together to preform a major function in the body |
| organelle | a structure within the cell that carries out a specific function |
| organic | term used to describe molecules that contain both hydrogen and carbon |
| receptor molecule | certain protein molecules in the cell membrane that can receive chemical messages from other cells |
| respiration | the process by which the chemical bond energy stored in nutrients is released through use in the cell |
| reproduction | the process by organisms produce new organisms of the same type |
| ribosome | one of the tiny structures in the cell that is the site of protein production |
| simple sugars | the result of digested starches |
| synthesis | a life process that involves combining simple substances into more complex substances |
| tissue | a group of specialized cells that preform a specific function |
| vacuole | storage sacks within the cytoplasm of a cell that may contain either wastes or useful materials such as water or food |
Created by:
dlong
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