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basic unit

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