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Histology ch1
| Question | Answer |
|---|---|
| Chromatin | GIves nucleus the basophilia characteristic. chromatin Packs and Folds INTO chromosomes |
| Histones | what proteins wind around |
| heterchromatin (inactive) | densely packed, dark staining h&e, feulgen, (deoxyribose) hoechst, propidium iodine |
| euchromatin (active) | light stainiing, not densly packed |
| metachromasis | when tissue fails to stain the true color of a dye. Shift in normal color. Absorbance change. Blue to red or purple |
| intergrins | cell adhesions. Sticky proteins that interact and communicate with other proteins |
| endocytosis | substances enter cell |
| exocytosis | exit cell |
| osmosis | absorbing water |
| pinocytosis | cell drinking |
| phagocytosis | cell eating |