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Organelles
| Question | Answer |
|---|---|
| Cells were found by this person when he was looking at cork under a microscope. | Robert Hooke |
| The cell is the basic unit of structure and function of living things; all cells come from pre existing cells. | Cell theory |
| They are the smallest unit of life that can carry out all of the activities necessary for life | Cells |
| Has DNA, membrane-less ribosomes, a cell wall, cell membrane, flagella, and pili. | Prokaryote cell |
| Has a nucleus, membrane-bound organelles, and cytoplasm with organelles. | Eukaryote cells |
| Examples of prokaryotes | Bacteria |
| Examples of eukaryotes | Plants, animals, fungi, and protists |
| Are very small in size, each has specific functions, and can be found in the cytoplasm | Organelle |
| Permeable; maintains homeostasis | Cell membrane |
| Cell membrane are made up of | Phospholipids, proteins, cholesterol, and carbs |
| Provides a medium for chemical reactions to take place | Cytoplasm |
| Contains chromosomes, controls the normal activities of the cell | Nucleus |
| Stores sugar, proteins, wastes, and pigments | Vacuole |
| Transport system for proteins | Rough ER |
| Transport system for lipids and carbs | Smooth ER |
| Made of protein/RNA molecules, site of protein synthesis, not membrane bound. | Ribosomes |
| Burns sugars to produce energy (ATP) | Mitochondria |
| Receive and modify proteins made by the ER; transport vesicles | Golgi body |
| Generate spindle fibers during cell division; only found in animal cells | Centrioles |
| Contain enzymes that break down food, work out cell parts, or invaders, only found in ANIMAL cells | Lysosomes |
| Made of cellulose, makes plant rigid and supports/protects the plant cell | Cell wall |
| Traps sunlight to make sugar by photosynthesis, filled with pigments (like chlorophyll.) | Chloroplast |
| Provides a binding site for enzymes, allows unicellular organisms to move, acts as a protective barrier and allows cell recognition | Cell/Plasma Membrane |
| Contains 2 nonpolar fatty acid chains, make up the cell membrane | Phospholipids |
| The phospholipid (head, tail) is polar/water loving. | Head |
| The phospholipid (head, tail) is nonpolar/water fearing. | Tail |
| Moves substances from HIGH to LOW concentration in a membrane, does not require energy | Passive Transport |
| Moves substances from LOW to HIGH concentration in a membrane, requires energy | Active Transport |
| A net movement of particles form an area of high to low concentration | Diffusion |
| The diffusion of water molecules | Osmosis |
| A carrier/channel protein that carries molecules across the membrane is called | Facilitated diffusion |
| A substance that dissolved into another | Solute |
| The more plentiful substance that dissolves the solute (often water) | Solvent |
| The mixture of solutes and solvents | Solution |
| How the concentrations of diluted in two solutions compare | Tonicity |
| Less solute outside the cell | Hypotonic |
| Same concentration of solute outside and inside the cell | Isotonic |
| More solute outside the cell | Hypertonic |
| Water moves to where there is... | More solute |
| Pumps molecules across the membrane | Transport proteins |
| Cells engulf particules | Endocytosis |
| Waters are discharged out of a cell | Exocytosis |
Created by:
Faith LaBry
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