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Intro Anatomy 3
General
| Question | Answer |
|---|---|
| Major function of Proteins | Responsible for structure of body cells &Building Blocks are Amino Acids that act as either acids or Basis |
| What is Matter | Has mass, occupies spaceExists in solid, liquid and gas states |
| What is Energy | Capacity to do work |
| Solutions | 2 or more substances physically mixedHomogenous mixturesSolvent - greater quantitySolute- lesser qunatity |
| Use of water in the body | Heat homeostatis - high heat capicity and vaporisationReactivity - in chemical reactionsCushioning - protects the bodySovent properties |
| 3 uses of Protein | Catalysis - regulates rate of biochemical reactionsTransport hemoglobin transports oxygen in the bloodDefense - specialist protein antibodies are release dby immune cells |
| Functions of DNA & RNA | DNA - specifies protein structure and replicate its selfRNA - carries out DNZ's instructions for protein synthesis |
| 3 major regions of an generalised animal cell | Nucleuscytoplasmplasma membrane |
| Colloids | heterogenerous mixturesappearance milkySol-gel transformation |
| Suspensions | Heterogeneous mixturevisible solutesparticles will settle out if not moving |
| Passive Transport | Transport of substances without energy input |
| various forms of passive transport | Simple DiffusionFacilitated diffusionOsmosisFiltration |
| Simple Diffusion | movement of lipid soluable substances across the plasma membrane |
| Osmosis | Movement of water in and out of the cells. occurs when there is an imblance on two sides of the membrane. |
| Facilitated Diffusion | Movement of large or lipid insoluable particles using a protein carrier |
| Filtration | movement of water or solutes across the plasma membrane using hydrostatic preasure |
| Nucleolus | Made of RNAProduces Ribosomes which are essential for protein synthesis |
| Function of Chromatin | Strands DNA and gobular protein.physical means to package the long molecules of DNA in a compact and orderly way |
| Rough Endoplasmic Reticulum | Studded with RibosomesRibosmoes process all the protein that is secreted from tehe cells |
| Mitochondria | Power house and produces most of the ATP energy need by the cell |
| Peroxisomes | Disharm dangerous 'free radicals" |
Created by:
gibfinn
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