Term | Definition |
nucleus | control center of the cell contains DNA and chromosomes |
cytoplasm | all the living material in a cell except the nucleus. jelly like material that holds the organelles |
cell walls | found only in plant cell - provide protection and support for the plant cell |
mitochondria | powerhouse of the cell - makes energy from food available to the cell |
ribosomes | protein factories |
endoplasmic reticulum | highway of the cell- transports materials throughout the cell |
cell membrane | protective boundary around the cell that controls what goes in and out of the cell |
golgi bodies | manufacturing and shipping- materials carried by the ER stop here to get altered |
lysosomes | break down and digest waste materials from the cell |
vacuoles | store food material and water |
chloroplasts | found only in plant cell- contain chlorophyll that traps sunlight to make food for the plant |
unicellular organisms | Unicellular organisms are organisms that have one cell |
multicellular organsims | organisms that have more than 1 cell |
flagella | whip-like tail that propels the cell |
cilia | many hair like structures surrounding the cell to facilitate movement |
pseudopod | means "fake foot" cytoplasm is projected in the direction the cell wants to move |
cell | basic unit of structure and function in all living things |
tissue | a group of cells that perform a similar function; |
organ | a group of tissues that combine to have a specific vital function, such as the heart or liver in humans. |
organ system | a group of organs that work together to perform one or more functions. Each does a particular job in the body, and is made up of certain tissues. |