click below
click below
Normal Size Small Size show me how
A&P 1 Ch 2
| Term | Definition |
|---|---|
| Proton | Positively charged subatomic particle |
| Electron | Negatively charged subatomic particle |
| Neutron | Neutral (no charge) subatomic particle |
| C | symbol for Carbon |
| H | symbol for Hydrogen |
| N | symbol for Nitrogen |
| O | symbol for Oxygen |
| P | symbol for Phosphorous |
| S | symbol for Sulfur |
| Ca | symbol for Calcium |
| Na | symbol for Sodium |
| K | symbol for Potassium |
| Cl | symbol for Chloride |
| Fe | symbol for Iron |
| I | symbol for Iodine |
| Mg | symbol for Magnesium |
| Compound | two different atoms chemically bonded |
| Molecule | two atoms chemically bonded (may be same atoms) |
| Cation | positively charged ion |
| Anion | negatively charged ion |
| Ionic bond | formed from cation and anion (transfer of electrons) |
| Covalent bond | formed from shared pair of electrons |
| Strongest bond | Covalent |
| Weakest bond | Hydrogen |
| Polar bond | Unequal number of shared electrons in covalent bond |
| Organic molecule | has at least 2 Carbons |
| Hydrophyllic | "water loving" water soluable |
| Hydrophobic | Not water soluable ; fat soluable |
| Active transport | requires ATP (Energy) |
| Passive transport | does not require ATP |
| Osmosis | passive transport of water |
| Hypotonic | low concentration of solutes |
| Hypertonic | high concentration of solutes |
| Plasma membrane or cell membrane | phosphobilipid layer |
| If pH is greater than 7 the solution is | basic or alkaline |
| If pH is less than 7 the solution is | acidic |
| If pH is 7 the solution is | neutral |
| Diffusion | passive transport of a substance from an area of greater concentration to an area of lesser concentration |
| Facilitated diffusion | passive transport (diffusion) of a substance using a carrier protein |
| Ionic | Bond formed from cation and anion |