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Cell Structure
Cell Structure and Function
| Term | Definition |
|---|---|
| cell membrane | outer covering of an animal cell |
| nucleus | the control center of the cell |
| lysosomes | structures involved in the digestive activities of the cell |
| ribosomes | protein factories of the cell |
| organs | eyes, kidneys, and skin |
| vacuoles | food, water and wastes are store in these structures |
| endoplasmic reticulum | network of passageways that transports proteins throughout the cell |
| chloroplast | the food-making structue in plant cells |
| cell wall | outer covering of a plant cell---protects and gives strength to the cell |
| chlorophyll | chemical compound needed for photosynthesis to occur |
| homeostasis | the ability of a cell to maintain a stable internal environment |
| nucleic acids | compound making up chromosomes |
| cell theory | all living things are made of cells |
| cell theory | cells are the basic units of structure and function in living things |
| cell theory | living cells come only from other living cells |
| cell membrane | doorway of the cell |
| cell membrane | helps control the movement of materials into and out of the cell |
| nuclear membrane | surrounds the nucleus |
| chromosomes | thin, rod shaped objects found in the nucleus |
| nucleolus | site of ribosome production |
| cytoplasm | clear, thick, jelllike substance found within the cell membrane |
| ribosomes | can be found attached to the endoplasmic reticulum and also floating free in the cytoplasm |
| mitochondria | powerhouse of the cell |
| mitochondria | structure in which sugar is broken-down and energy released |
| tissue | groups of cells performing a similar function |
| organs | groups of different tissues that work together in performing a valuable function |