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cells
Cells vocabulary
| Term | Definition |
|---|---|
| cell membrane | protective layer that covers a cells surface and acts as a barrier between the inside of a cell and the cells enviornment |
| organelles | small body in a cells cytoplasm that is a specialized to preform a specific function |
| cytoplasm | the region enclosed by the cell membrane that includes the fluid and all of the organelles of the cell |
| nucleus | control center of the cell. contains the DNA |
| prokaryotic | no nucleus, DNA in cytoplasm, circular DNA (ex.yeast) |
| eukaryotic | nucleus with DNA in it, linear DNA (ex. animal cell,plant cell, fugi |
| bacteria | first cells on earth, single cell |
| cell | smallest functional and structral unit of all living things |
| tissue | group of similar cells that preform a common function |
| organ | a structure made up of a collection of tissues that carry out a specalized function animals-stomach, eyes, kidney,lungs plant-leaf,stems,roots |
| organ system | a group of organs working together to preform body functions digestive, pespiratory,circular |
| lysosomes | transport undigestive material to cell membrane. Cell breaks down if lysosome explodes |
| vacuole | membrane bond sacs for storage, digestion, and waste removal contains water solution, helps plants maintain shape |
| nucleolus | inside nucleus contains DNA to build proteins |
| chloroplasts | usually found in plant cells contains green chlorophyll where phoyosynthesis takes place |
| golgi complex | protein 'packaging' plant move materials in and out of the cell |
| ER | assist in the production processing, and transport of proteins in the production of lipids |
| Mitochondria | organelle has double membrane, and the inner membrane is folded. This organelle contains it's own DNA |
| ribosomes | each cell contains thousands. Makes proteins, found on the ER and floating througout the cell |
| cell wall | most commonly found in plant cells, fungi cells, and bacteria cells, supports and protects cells, |
| cell theory | All organisms are made up of one or more cell The cell is the basic unit of all living things All cells come from exsisting cells |
| homeostasis | the maintenance of an internal balance of conditions in a changing external enviornment |
| mitosis | the chromosome copies are separated and the nucleus and cell divide to form 2 identical cells |
Created by:
23eo8942
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