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Bio- Cell Vocab.
| Question | Answer |
|---|---|
| Cell | The smallest unit that can preform all life processes |
| Cell Theory | The theory that states that all living things are made up of one or more cells, that cells are the basic units of organisms, that each cell in a multicellular organism has a specific job, and that cells come only from existing cells |
| Plasma Membrane | The cell's outer boundary |
| Cytoplasm | The region of the cell with in the membrane that includes the fluid, cytoskeleton, and all of the organelles except the nucleus |
| Cytocol | The soluble portion of the cytoplasm, which includes molecules and small particles, but not the organelles covered with membranes |
| Nucleus | In a eukaryotic cell, a membrane bound organelle that contains the cell's DNA and that has a role in processes |
| Prokaryote | A single celled organism that has no nucleus and no membrane bound organelles |
| Eukaryote | An organism made up of cells that have a nucleus enclosed by a membrane, multiple chromosomes, and a mitotic cycle |
| Organelle | One of the small bodies that are found in the cytoplasm of a cell and that are specialized to preform a specific function |
| Tissue | A collection of specialized cells and cell products that preform a specific function |
| Organ | A collection of tissues that carry out a specialized function of the body |
| Organ System | A group of specialized parts that carry out a certain function in the organism |
| Phospholipid Bilayer | A double layer of phospholipids that make up plasma and organelle membranes |
| Chromosome | In a eukaryotic cell, one of the structures in the nucleus that are made up of DNA and protein |
| Neuclear Envelope | The double membrane that surrounds the nucleus of a eukaryotic cell |
| Neucleolus | The part of the eukaryotic nucleus where rRNA is synthesized |
| Ribosome | A cell organelle composed of RNA and protein |
| Mitochondrion | In eukaryotic cells, the cell organelle that's surrounded by two membranes and that's the site of cellular respiration, which produces ATP |
| Endoplasmic Reticulum | A system of membranes that is found in a cell's cytoplasm and that assists in the production, processing, and transport of proteins in the production of lipids |
| Golgi Apparatus | Modifies cellular products and prepares them for export |
| Lysosome | A cell organelle that contains digestive enzymes and that buds from the Golgi Apparatus |
| Cytoskeleton | The cytoplasmic network of protein filaments and tubes that plays an essential role in the cell movement, shape, and division |
| Centriole | An organelle that's composed of two short microtubules at right angles to each other and that has an active role in mitosis |
| Central Vacule | In some protists and in most plant cells, a large, fluid-filled organelle that stores water, enzymes, metabolic wastes, and other materials |
| Plastid | An organelle of plant cells that contain specific substances and preforms specific functions for the cell |
| Chloroplast | An organelle found in plant and algae cells where photosynthesis occurs |
| Chlorophyll | A green pigment that's present in most plant cells that gives plants their green color, and that reacts with sunlight, CO2, and H2O to form carbohydrates |
| Cell Wall | A rigid structure that surrounds the cell membrane and provides support to the cell |
Created by:
archergirl
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