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Science test 11/5
Cells
| Question | Answer |
|---|---|
| nucleus | membrane-bound organelle that contains the DNA in certain types of cells |
| DNA | genetic material inside the brain |
| prokaryotic | one, cell, no nucleus, do not have a membrane bound nucleus or other membrane-bound organelles |
| eukaryotic | multicellular, has a nucleus, contain a membrane-bound nucleus, and more complex than prokaryotic cells |
| organelle | specialized structures found in the cytoplasm of cells that have a specific function |
| plasma membrane | controls what enters and exits the cell |
| cytoplasm | jelly-like substance that fills up the substance and holds all the organelles in place |
| mitochondria | produces energy |
| ribosome | produces proteins |
| golgi apparatus | internal transport system without the ribosomes attached |
| rough er | assists ribosomes in making proteins |
| smooth er | membrane covered tubes and sacs that make and process fats and detoxify harmful substances |
| vacuole | keeps extra supplies and waste until needed |
| lysosomes | enzymes of breaking down all types of molecules |
| cell wall | only used in plant cells and provides structural support and prevents excessive water intake |
| chloroplasts | only used in plant cells and contains chlorophyll which allows for photosynthesis |