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CH 7 cell structure
vocabulary
| Question | Answer |
|---|---|
| cell | are basic units of life |
| cell theory | all living things are made by cell, cells are the basic unit of structure, new cells are produced by old cells |
| nucleus | a large membrane that carries the cells genetic information, DNA |
| eukaryote | cells that have a nucleus |
| prokaryote | cells that donmt have a nucleus |
| orangelle | specilized organs, little organs |
| cytoplasm | the portion of the cell outside the nucleus |
| nuclear envelope | what surrounds the nucleus |
| chromatin | the granular material you see in the nucleus |
| chromosomes | thread like things that contain DNA |
| nucleolus | where the assembly of ribosomes begin |
| ribosomes | smal particules of Rna found in the cell |
| endoplasmic reticulum | the internal membrane eukaryotes have |
| golgi apparatus | proteins produced in rou8gh ER move next into an organell |
| lysosome | are small organells filled with enzymes |
| vacuole | sack like structures that store water salts fats etc |
| mitochondrion | are organells that convert the chemical energy stored in all food |
| chloroplast | organells taht capture energy from the sunlight and convert it to energy |
| cytoskeleton | the internal organiszation that eukaryotes have |
| centriole | help to organize cell division |
| cell membrane | thin felxible barrier around the cell |
| cell wall | a strong supportive layer around the cell |
| lipid bilayer | the composition of are cell wall are this |
| concentration | the amount of a solute in a solvent |
| diffusion | when particles move to areas with a less concentration |
| equilibrium | when the amount of solute is egaul through the whole system |
| osmosis | is tyhe diffsion of water through a membrane |
| isotonic | when water and sugar are the same and have the same levels |
| hypertonic | when there is a higher concentration of sugar is water |
| hypotonic | the diluted sugar is below stregth |
| facilitated diffusion | the diffusion of glucose through a membrane |
| active transport | moving some particle away denying the concentration |
| endocytosis | taking material in to cells |
| phagocyosis | extension of cytoplasm surrounded the nucleus |
| pinocytosis | tiny pockets form vacuoles within cells |
| exocytosis | the membrane of vacoules surrounding the material fusses with the cell membrane |
| cell specialzation | cells throughout the organism can develop in different ways to perform differnt tasks |
| tissue | is a group of similar cells that perform the same task |
| organ | tissues working together make this |
| organ system | a ggroup of organs working together to perform a specific function |
Created by:
hughcrance22
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