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biology101.
| Term | Definition |
|---|---|
| Nucleus | Control center of cell, Double membrane nuclear evelope. |
| Chromatin | Inside the the nucleus, protein and Dna mix to form chromosomes (visible in cell divison) |
| Nucleolus | Dark bodies inside the nucleus where ribosomes are synthesized. |
| Nuclear pores | opening in evelope where MRNA passes for protein synthesis. |
| Cytoskeleton | A network of long strands in cytosol, makes up framework for support and movement of organelles. |
| 3 Strands of Cytokeleton | MIcrotubles-movement, microfilaments, intermediary filaments. |
| ex. of cytoskeleton | Mitosis, centrioles, flagella, muscle contraction. |
| lysomoes | "death sacs" contain digestive enzymes, interralate with vacules, digest old cell parts, food digestion in protists, viruses of bacteria destroyers, recyled/ reused over and over. |
| endoplasmic reticulum | Transport network of the cell, smooth ER has no ribosomes, moves back and forth inside the cytoplasm, part of endomembrane system. |
| Rough ER | has ribosomes for protein synthesis of materials to be shipped out of cell. |
| Ribosomes | Made of protein and RNA, protein synthesis,, |
| Free Ribosomes | in the cytosol makes protein for use in the cell. |
| Bound ribosomes | attacked to ER makes protein for export |
| Hooke | Coined the term "cell" after viewing cork. |
| Leeuwenhoew | Deveoled the first microscope and saw first microorganisms. |
| PLasma membrane | Fluid mosaic model, bilayer of lipids, embedded with proteins, cholesterol, glycolipids (carbs), selectively permeable-ex. lab with dialysis bags, controls what goes in and out of the cell. |
| Chloroplast | Found in plant cells, site of photosynthesis in plants, some bateria and some protists, Double membrane structure. |
| Grana | Found int he chloroplast, site of light dependent reaction, looks like stack of coins. |
| Stroma | Found in chloroplast, site of light independent reaction area surrounding thylasis |
| Mitochondria | Powerhouse of the cell, Double membrane, |
| Cristae | part of the mitochondria, infolded walls, stores ATP. |
| Matrix | Part of the mitochondria, area surroounding cristae respiration occurs here. |
| organelles | tiny organs |
| Golgi apparatus | packages materials for cells |
| forming face | part of the golgi apparatus, side where materials to be packaged enter. |
| Maturing face | Part of the golgo apparatus, side where materials packaged are exported. |
| plant cell walls | composed of Cellulose |
| fungi cell walls | composed of chitin |
| baterial cell walls | composed of peptidoglycan |
| cell walls | found only in plants, fungi, and baterias. for support and protection, rigid. |
Created by:
lehmanncl
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