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cells
basic unit
| Question | Answer |
|---|---|
| tissue | group of similar cells that work together to perform a specific job in the body |
| organ | combination of one or more tissues that work together to perform a function in the body |
| organ system | a group of organs that work together to perform body functions |
| organism | anything that can independently carry out life processes |
| unicellular | made of a single cell |
| multicellular | made of many cells |
| population | group of individuals of the same species that live together in the same area at the same time |
| community | all of the population of idfferent species that live and interact in an area |
| ecosystem | a communtiy of organisma and their non living environment |
| cell membrane | a phospholipid layer that covers a cell's surface and acts as a barrier between the inside of a cell and cell's environment |
| organelles | a structure within a cell sometimes surrounded by a membrane |
| cytoplasm | cellular fluid surrounding as a cell's organelles |
| nucleus | the membrane covered organelle found in eukaryotic cells |
| prokaryotic | a cell that does not have a nucleus or any other membrane-covered organelles; also called bacterium |
| eukaryotic | a cell that contains a central nucleus and complicated internal structure |
| bacteria | extremely small, single-celled organisms without a nucleus; prokaryotic cells |
| cell wall | a structure that surrounds the cell m membrane of some cells and provides strength and support the cell membrane |
| ribosome | a small organelle in cells where proteins are and where proteins are made from amino acids |
| endoplasmic reticulum | surrounds the nucleus; processes material it gets from the ribosomes and uses them to manufacture proteins, lipids & parts of the cell membranes; |
| mitochondria | cell organelles surrounded by two membranes that breakdown food molecules to make ATP |
| nucleolus | produces ribosomes; is the site of RNA & synthesis & storage |
| nucleoplasm | the protoplasm of a nucleus |
| chloroplast | an organelle found in plant and algae cells where photsynthesis occurs |
| Golgi complex | the cell organelle that modifies packages & transports materials out of the cell |
| vesicle | membrane covered compartment in a eukaryotic cell that forms when part of a cell membrane surrounds an object & pinches off |
| vacuole | large membrane covered structure found in plant cells that serves as a storage container for water and other liquids |
| lysosome | special vesicle in a cell that digests food particles wastes and foreign invaders |
Created by:
kathya
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