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Science ch3 test
| Term | Definition |
|---|---|
| Molecule | The smallest unit of a compound that still maintains the properties of that compound. |
| Compound | two or more atoms chemically combined |
| Equilibrium | a state in which a molecule is evenly spread out |
| Endocytosis | he active transport of large molecules through the cell membrane. The membrane surrounds the material and forms a package that enters the cell. |
| Atomic Number | The number of protons in the nucleus of the atom |
| Protein | compounds made up of amino acids that are used to build cell parts and control chemical reactions in the body |
| Element | a specific type of atom with a certain number of subatomic particles and specific properties |
| Facilitated Diffusion | The diffusion of glucose by a way of carrier proteins in the cell membrane (moving glucose) |
| Neutron | a subatomic particle with no charge |
| Atom | the building block of matter |
| Organic Compound | Any compound with hydrogen and carbon |
| Carbohydrate | compound that is a primary source of energy |
| Electron | A subatomic particle with negative charge |
| Inorganic Compound | any compound that does not contain carbon |
| Active Transport | the movement of materials that requires cell to use energy |
| Proton | subatomic particle with a positive charge |
| Selective Permeability/ Semipermeable | The membrane that allows some things but not all things do |
| Atomic Mass | The number of protons and neutrons in an atom |
| Exocytosis | The movement of large molecules out of the cell. The Golgi bodies package proteins that are removed from the cell by this process. |
| Lipids | compounds that break down to store large amounts of energy |
| Passive Transport | The movement of molecules that does not require the cell to use its own energy |
| Osmosis | the diffusion of water |
| Diffusion | when molecules go from a higher concentration to a lower concentartion |
| Enzyme | protein that speeds up chemical reactions in the body |
| Nucleic Acids | compounds that store information |
| Monosaccharide | one sugar (carbohydrate) |
| Disaccharide | two sugars (carbohydrate) |
| Polysaccharide | three or more sugars (carbohydrate) |
| Amino Acid | base unit; amnio acid chain- polypeptide |
| Peptide | one protein |
| dipeptide | two protiens |
| polypeptide | three or more proteins |
| DNA | deoxyribonucleic acid original blueprint |
| RNA | Ribonucleic acid; copy of blueprint |
| hydrolysis | adding water to break down a compound |
| hypertonic | causes the water to leave the cell |
| hypotonic (hippo) | causes the water to enter the cell |
| isotonic | causes the water and the solution to be equilibrium; no net movement |
| dehydration synthesis | take out water to build |
| maltose | glucose+glucose |
| sucrose | glucose+fructose |
| lactose | glucose+galactose |
Created by:
scadwallader
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