a group of cells that work together for specific job

two or more tissues working together for a specific job

organs working together in groups to perform particular jobs

one celled organism living on its own

contains enzymes that digest damaged cell parts and invaders

storage chamber for water in a cell

packages and distributes proteins/lipids for in and out of cell

assists in production, processing, and transport of proteins and in the production of lipids

food factory for plant cells

acts like a screen - permits certain materials in and out of a cell

maintaining a constant internal state in a changing environment

moving materials in and out of cell with energy

organism that exists only as a group of cells

the moving of material in and out of cell without energy

an example of a prokaryotic organism

provides strength and support to cell membrane

amino acids are hooked together to make proteins

a membrane covered compartment in a eukaryotic cell

uses oxygen and food molecules to make ATP

cell structures that enable it to live, grow and reproduce

jellylike substance that surrounds all the organelles in a cell

control center that holds the cell's DNA

cells that do not have a nucleus

cells that contain a nucleus