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quiz science
section 3
| Question | Answer |
|---|---|
| who invented the microscope and discovered cells? | robert hooke |
| mathais schleiden | concluded that all plants are made of cells |
| antonie van leeuwenhoek | invented microscope |
| theodor schwann | discovered that all animals are made up of cells |
| rudolf virchow | concluded that all cells came from cell that already existed |
| cell theory | 1.all organisms are made up of cells 2. cell is basic unit of organization of organsim 3.cells are made up of cells |
| cell wall | tough rigid that gives the plant cell its shape and protects it. |
| cell membrane | protective covering of all cells |
| nucleus | controls all activities of a cell (brain of the cell) |
| mitochondria | *power plant of the cell* it is where food is broken down and released as energy |
| chloraplast | Green organelle found in plants which contains chloaphyl |
| cytoplasm | a gelatin like substance that constantly flows inside of the cell membrane. |
| organelles | structures in cytoplasm that can act as a storage unit, they can process enrgy, they can move materials or they can manufacture substances |
| ribosomes | the smallest structures that make protein |
| nucleolus | makes ribosomes |
| chlorophyl | a green pigment, which gives many leaves and stems their color. It captures light energy that is used to make a sugar called glucose. This light energy is changed and stored in glucose as chemical energy. |
| RER (Rough endoplasmic reticulum) | Carry out their job making proteins that are moved out of the cell |
| SER (Smooth endolasmic reticulum) | Processes cellular substances such as lipids that store energy |
| Golgi bodies | cell organelle that are stacked flattened membranes. They sort proteins and other cellular substances and package them into membrane-bound structures called vesicules. |
| lysosome | it helps to break down food molecule, cell waste, worn out cell parts and viruses and bacteria. |
| vesicule | delivers cellular substances to the cell membrane where they are released to the outside of the cell. |
| central vacuole | Stores water, waste product,food and other cellular materials. Only in plants |
| tissue | group of similar cells that work together to do one job. |
| organ | a structure made up of two or more different types of tissues that work together |
| organ system | a group of organs that work together to perform a certain function |
Created by:
jwassnyc
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