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Cell Structures
Biology I-8
| Term | Definition |
|---|---|
| organelle | structures in cytoplasm of eukaryote cells |
| cell membrane | barrier around ALL cells that regulates what goes in and out |
| ribosome | protein building structures |
| cytoplasm | fluid matrix inside all cells |
| nucleus (cell) | contains DNA in eukaryote cells |
| prokaryote | cell without nucleus or organelles; bacteria |
| eukaryote | cell with nucleus and organelles; not bacteria |
| mitochondria | site of cell respiration to make ATP ( energy) from macromolecules |
| vesicle | sac of chemicals like enzymes, hormones, proteins, etc in a cell |
| central vacuole | large organelle that stores fluids in plant cells |
| chloroplast | site of photosynthesis to make carbohydrates using water, carbon dioxide and energy from light |
| cell wall | rigid boundary outside the cell membrane of plant and fungi cells and some unicellular organisms |
| gene expression | the activity levels of the genes turned on in a cell or organism |
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strawend