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Cells
Term | Definition |
---|---|
Nucleus | The brain. Instructions for everything a cell does |
Cytoplasm | Gel like material. Holds the organelles in place. Contains hereditary material |
Mitochondria | Releases energy stored in food |
Smooth endoplasmic reticulem | Folded membranes where materials are processed and moved around |
Rough endoplasmic reticulem | Folded membranes where materials are processed and moved around |
Golgi bodies | Flat stacked membranes. Sorts proteins and packages them into vesicles |
Cell membrane | Outer covering. Lets nutrients in, releases waste and keeps bad things out. |
Ribosomes | Protein making structures. Made in nucleolus. Receives directions from DNA |
Nucleolus | Produces ribosomes |
Lysosome | Recycles. Breaks down food, waste, and worn out parts |
Chloroplast | ONLY IN PLANT CELLS. Makes food |
Cell wall | ONLY IN PLANTS, ALGAE & FUNGI. Tough rigid outer covering. Protect cell and give shape |
Cell | The smallest unit capable of performing life functions |
Tissue | Group of similar cells that work together to do a job |
organ | A structure made up of two or more types of tissues that work together |
Organism | Any living thing |
homeostatis | The ability to keep proper conditions inside no matter what is going on outside |
DNA | Contains the genetic instruction for all living organisms |
Eukaryotic | Cells that make up membrane bound structures that include plants, animals, and you |
Prokaryotic | Cells that don't make up membrane-bound structures such as bacteria (one celled) |
Cell Theory (3) | 1. All organisms are made up of one or more cells. 2. The cell is the basic unit of organization in organisms. 3. All cells come from cells. |