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Science Vocab
| Question | Answer |
|---|---|
| The basic unit of structure and function in living things. | cell |
| An instrument that makes smaller things look larger. | microscope |
| A widely accepted explanation of the relationship between cells and living things. | cell theory |
| A rigid supporting layer that surrounds the cells of plants and some other organisms. | cell wall |
| A thin, flexible barrier that surrounds a cell and controls which substances pass in and out of a cell. | cell membrane |
| In cells, a large oval organelle that contains the cells genetic material in the form of DNA and controls many of the cells activities. | nucleus |
| A tiny cell structure that carries out a specific function within the cell. | organelle |
| A small grain - shaped organelle in the cytoplasm of a cell the produces proteins. | ribosome |
| The thick fluid region of a cell located inside the cell membrane or between the cell membrane and nucleus. | cyptoplasm |
| Rob - shaped organelles that convert energy in food molecules to energy the cell can use to carry out its functions. | mitochondria |
| An organelle that forms a maze of passageways in which proteins and other materials are carried from one part of the cell to another. | endoplasmic reticulum |
| An organelle in a cell that receives proteins and other newly formed materials from the endoplasmic reticulum, packages them, and distributes them to other parts of the cell. | Golgi apperatus |
| A sac - like organelle that stores water, food, and other materials. | vacuole |
| An organelle in the cells of plants and some other organisms that captures energy from sunlight and changes it to an energy form that cells can use in making food. | chloroplast |
| A cell organelle which contains chemicals that break down large food particles into smaller ones and that can be used by the rest of the cell. | lysosome |
| consisting of many cells | multicellular |
| made of a single cell | unicellular |
| A group of similar cells that perform a specific function. | tissue |
| A body structure that is composed of different kinds of tissues that work together. | organ |
| A group of organs that work together to perform a major function. | organ system |
Created by:
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