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Science Notes Cells
we have a test on our cell notes in Mr. Tyler's class.
| Question | Answer |
|---|---|
| Cells | basic unit of structure and function in living things |
| Structure | what an organism is made of and how it is put together |
| Function | processes that enable an organism to stay alive and reproduce |
| Cell Theory | all living things are made of cells cells are the basic unit of structure and function in living things all cells are produced from other cells |
| Compound microscope | two lenses, one lens magnifies the other lens’ magnification (convex lens) |
| Resolution | sharpness of an image |
| Electrons microscope | uses a beam of electrons instead of light to produce a magnified image |
| Organelles | tiny cell structures that carry out specific functions |
| Cell Membrane | controls what substances go in and out of the cells |
| Nucleus | control center of the cell |
| Nuclear Envelope | membrane that protects the nucleus |
| Chromatin | made up of DNA, lives inside the nucleus, the “blueprint” for what the cells are doing. Strands that contain genetic materials that instructs the cell how to grow |
| Nucleolus | making ribosomes and protein. Where ribosomes are made. |
| Cytoplasm | clear, thick, gel-like substance between cell membrane and nucleus |
| Mitochondria | converting energy in food molecules to energy the cell can use. Known as “powerhouses” of cells. |
| Endoplasmic Reticulum | the passageways carry proteins and other materials from one part of the cell to another |
| Ribosomes | small grain-like bodies that produce protein |
| vacuole | a large water filler sac, stores food and other materials |
| Golgi body | receives proteins and other materials and redistributes them to other parts of the cell |
| Chloroplasts | captures energy and sunlight and use it to produce food in plant cells, NOT animal cells. |
| Lysosome | “clean up crew” round structures containing chemicals that break down materials |
Created by:
sarahy
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