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Science Unit 3
cell
| Question | Answer |
|---|---|
| basic unit of structure and function in living things | cell |
| idea that explains something and is supported by data | theory |
| thin structure that surrounds a cell | cell membrane |
| all the living materials inside a cell except the nucleus | cytoplasm |
| control center of a cell | nucleus |
| rice-shaped structure that produce energy for a cell | mitochondria |
| small structures in the cytoplasm that do special jobs | organelles |
| small round structures that make protein | ribosomes |
| liquid-filled spaces in the cytoplasm that store energy | vacuoles |
| transports materials through the cell (transport tube) | endoplasmic reticulum (ER) |
| hard, nonliving materials that make up the cell wall of a plant cell | cellulose |
| outer, nonliving part of a plant cell | cell wall |
| green material in chloroplast that is needed for plants to make food | chlorophyll |
| round, green structure in a plant cell that contains chlorophyll | chloroplast |
| movement of material from an area where molecules are crowded, to an area where molecules are less crowded | diffusion |
| movement of water through a membrane | osmosis |
| process by which cells reproduce | cell divison |
| cell part that determine what trait a living thing will have | chromosomes |
| new cells produced by cell divison | daughter cell |
| divison of the nucleus | mitosis |