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Ramon M. Jara
Anatomy weeks 1-7
| Question | Answer |
|---|---|
| Describe homeostasis | the maintenance of relatively constant internal conditions despite changes in either internal or external environment |
| Ionic bonds | a chemical bond formed by the transfer of electrons from one atom to another |
| Covalent bonds | a chemical bond formed by the sharing of one or more pairs of electrons between the outer energy levels of two atoms |
| Plasma membrane function | the boundary of the cell |
| Endoplasmic reticulum functions | Protein synthesis |
| desmosomes | hold adjancent cells together similar to velcro |
| Diffusion | particles spread down a concentration gradient |
| osmosis | passive transport of water through a selectively permeable membrane |
| Sodium potassium pump | a type of active transport. actively transports three sodium ions out of the cell and two potassium ions into the cell |
| catalyst | a chemical that reduces the amount of activation energy needed to start a chemical reaction |