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Week 3
Cell function, growth, an development
| Term | Definition |
|---|---|
| Specificity | characteristics of transporter; such as size, shape, and change, determine what they transport |
| Diffusion | natural phenomenon caused by the tendency of small particles to spread out evenly within any given space. |
| Concentration Gradient | stating this principle is to say that diffusion always occurs. |
| Simple Diffusion | molecules pass directly through the phospholipids membrane. |
| Osmosis | movement of water through semipermeable membrane. |
| Semipermeable Membrane | water to pass through the membrane but blocks the passage of at least one solute. |
| Aquaporins | water pore proteins |
| Osmotic Pressure | solution is the pressure that prevents the movement of water by osmosis from pure water into the solutions. |
| Hypotonic Solution | cell swell because of the movements of water into the cell by osmosis |
| Isotonic Solutions | same volume because there is not net movements of water into or out of the cell by osmosis. |
| Obligatory Base Pairing | aspect of DNA molecular structure |
| Transcription | RNA molecules actually copies or "transcribe" a portion of the DNA code. |
| Introns | segments of the RNA transcript represent non coding parts of DNA |
| Exons | leaves behind segments that are copies of the DNA's |
| Translation | interpret or "translate" the genetic code and form a specific sequence of amino acids. |
| Proteome | complete set of proteins synthesized by a cell. |
| Cytokinesis | splitting of the plasma membrane and cytoplasm into two |
| Mitosis | cell reproduction or cell division |
Created by:
Sandoval.Sam
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