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Cells HW
Biology
| Question | Answer |
|---|---|
| Cell | The basic units of living organisms |
| Cell Theory | All organisms are composed of one or more cells |
| Compound light microscope | Microscope that can magnify objects up to about 1500 |
| Electron microscope | The microscope uses a beam of electrons instead of light to magnify structures up to 500,000 times |
| Eukaryote | Cells of the other type, those containing membrane-bound organelles |
| Nucleus | The central membrane-bound organelle that manages cellular functions and contains DNA |
| Organelle | All cells contain small specialized structures |
| Prokaryote | Do not have membrane-bound organelles |
| Fluid mosaic model | Structure model pf the plasma membrane where molecules are free to move sideways within a lipid bilayer |
| Phospholipid | Lipids with an attached phosphate group |
| Plasma membrane | Flexible boundary between the cell and its environment |
| Selective permeability | Feature of the plasma membrane that maintains homeostasis within a cell by allowing some molecules into the cell while keeping others out |
| Transport proteins | Proteins that span the plasma membrane creating a selectively permeable membrane that regulates which molecules enter and leave a cell |
| Cell wall | Fairly rigid structure located outside the plasma membrane of plants,fungi,most bacteria, and some protists; provides support & protection |
| ChlorophyII | Light-absorbing pigment in plants and some protists that is required for photosynthesis |
| Chloroplast | Capture light energy and converted it to chemical energy |
| Chromatin | Long strand of DNA in the eukaryote cell nucleus |
| Cilia | Short,numerous,hairlike projections co,posed of pairs of microtubules |
| Cytoplasm | Gelatinous fluid in cells that is the site of numerous chemical reactions |
| Cytoskeleton | Cellular framework found within the cytoplasm composed of microtubules and microfilaments |
| Endoplasmic reticulum | Organelle in eukaryote cells with a series of highly folded membrane surrounded in cytoplasm |
| Flagella | Long projections composed of microtubules |
| Golgi apparatus | Organelle in eukaryote cell with a system of flattened tubular membranes |
| Lysosome | Organelles that contain digestive enzymes |
| Microfilament | Are smaller, solid proteins fiber |
| Microtubule | Thin, hollow cylinder made of protein that provide structural support for eukaryotic cell |
| Mitochondria | Eukaryotic membrane-bound organelles that transform energy stored in food molecules |
| Nucleolus | The central membrane-bound organelle that manages cellular functions and contains DNA |
| Plastid | Group of plants organelles tat are used for storages of starches, lipids,or pigments |
| Ribosome | Nonmemembrane-bound organelles in the nucleus where proteins are assembled |
| Vacuole | Membrane-bound space in the cytoplasm of cells used for the temporary storage of materials |
Created by:
DUENDE
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