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| 1093030969 | How do we see cells? | Light microscope, and electron microscope (transmission/scanning) | |
| 1093030970 | Transmission Microscope | Electron microscope that looks at internal cell structure. | |
| 1093030971 | Scanning Microscope | Electron beams off surface of object showing only 3D surface.(outside of cell) | |
| 1093030972 | Cell Theory | 1.Every organism is composed of one or more cells 2.The cell is the smallest unit of life 3.All living cells result from the division of other preexisting cells 4.Cells contain genetic material which is passed to new cells during division | |
| 1093030973 | Why are cells so small? | Most cells are microscopic. The smaller the cell, the higher the ratio of surface area to volume. Cells need a lot of surface area (plasma membrane) to serve the cell volume (cytoplasm). | |
| 1093030974 | Plasma Membrane | A selectively-permeable phospholipid bi-layer forming the boundary of the cells. | |
| 1093030975 | Nucleus | In eukaryotes only, surrounded by nuclear envelope, contains DNA and nucleolus. | |
| 1093030976 | DNA | Protein complex called chromatin. | |
| 1093030977 | Nucleolus | Structure where ribosomes are made. | |
| 1093030978 | Ribosomes | Made from proteins and ribosomal RNA from nucleolus. Location of protein synthesis. Can be 'free' floating in cytoplasm or 'bound' attached to endoplasmic reticulum. | |
| 1093030979 | Endomembrane System | Assemble, modify, store and transport lipids and proteins for the cell. | |
| 1093030980 | Endoplasmic Reticulum | Rough ER- makes more membrane, covered with ribosomes that make proteins for transport. Smooth ER- makes lipids, stores calcium in muscle cells, detoxifies in liver cells. | |
| 1093030981 | Transport Vesicles | Used to move things around in the cell, and move molecules out of cell. | |
| 1093030982 | Golgi Bodies | Flattened sacs of membrane that modify and sort proteins and lipids, package them for shipment outside the cell. | |
| 1093030983 | Lysosomes | Contain enzymes to digest material inside the cell; food for single cell organisms, damaged organelle. | |
| 1093030984 | Mitochondria | Location of cellular respiration, converts energy in food to ATP. The part of your body that uses oxygen! | |
| 1093030985 | What makes the plant cell different? | Chloroplast, central vacuole, and cell wall. | |
| 1093030986 | Chloroplasts | Location of photosynthesis; making glucose using energy from sun. | |
| 1093030987 | Central Vacuole | A large membranous sac with diverse roles in growth and the storage of chemicals and wastes. | |
| 1093030988 | Cell Wall | A rigid structure that surrounds the cell membrane and provides support to the cell. |
