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Cell vocab
| Term | Definition |
|---|---|
| Cell Wall | A rigid structure that surrounds the cell membrane and provides support to the plant cell |
| Cell Membrane | A lipid layer that surrounds the cells surface |
| Cytoplasm | The material or protoplasm within living cell excluding the nucleus |
| nuclear membrane | A membrane that surrounds the nucleus in eukaryotic cells |
| nucleas | The brain of the cell-controls all the cells activities |
| chromosomes | thread like structures that carry genetic information in the form of genes |
| nucleolus | Makes Ribosomes-found in nucleus (small and circular) |
| Mitochondria | It has a double membrane-The site of cellular respiration (creates the cells energy) |
| Chloroplasts | The organelle that uses the energy of sunlight to make food-only in plant cells |
| Golgi Bodies | Helps make and package materials to be transported out of the cell |
| vacuole | A membrane bound organelle that stores food and water |
| Endoplasmic Reticulum | Helps in the production, procesing, and transport of proteins and in the prodution of lipids |
| Ribosomes | Composed of RNA and protein; site of protein synthesis (makes protein) |
| Vesicle | A small cavity or sac that contains materials in a eukaryotic cell |
| Lysosome | Contains digestive enzymes-breaks down waste (garbage man of the cell) |
| Prokaryote cell | DNA is circular in cell, single celled, no nucleus, no membrane-bound organelles, is bacteria and anchaea |
| Eukaryote cell | Multicellular, has nucleus, found in animals and plants, DNA found in nucleus |
| Diffusion | The movement of particles from regions of higher density to regions of lower density. |
| osmosis | The diffusion of water through a semipermeable membreane |
| passive transport | The movement of substances across a cell embrane without the use of energy by the cell |
| active transport | the movement of substances across the cel membrane that requires the cell to use energy |
| endocytosis | the process by which a cell membrane surrounds a particle and encloses the particle in a vesicle to bring the particle into the cell |
| exocytosis | the process in which a cell releases a particle by enclosing the particle in a vesicle that then moves to the cell surface and fuses with the cell membrane |
| semipermeable | only certain substances can pass through |
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BlueFoods
Popular Ecology sets