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2.2 - Cell Structure
| Question | Answer |
|---|---|
| prokaryote | Single celled organism, that does not have a nucleus or membrane bound organelles |
| eukaryote | Cells that contain a nucleus and membrane-bound organelles such as mitochondria and nucleus. Can be multi-cellular or unicellular |
| organelle | A tiny cell structure that carries out a specific function within the cell |
| cell membrane | part of all cells - a flexible covering that surrounds the cell and controls which substances pass into and out of the cell. |
| cell wall | A rigid layer that surrounds plant cells. It helps protect and support the cell. |
| cytoplasm | a clear gel like substance that fills the cell. |
| nucleus | A large round structure, where DNA the is held. It is the largest organelle. |
| ribosomes | small round organelles that produce proteins. |
| mitochondria | organelles that break apart glucose which releases energy that the cell can use to live and function - The powerhouse of the cell. |
| Chloroplasts | organelles that capture the energy from sunlight and convert it into chemical energy in a process called photosynthesis |
| Vacuole | Plant cells have one or more of these large, membrane bound sacs to store water, food, materials, or waste. Some animal cells have small versions of these sacs. |
Created by:
Wargo7