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Cells
Term | Definition |
---|---|
unicellular | a living thing made up of one cell |
multicellular | a living thing made up of more that one cell |
prokaryotic | cells that do not have a nucleus or organelles |
eukaryotic | cells that have a nucleus and organelles |
cell | the basic unit of structure and function in an organism |
cell membrane | flexible layer that controls what comes in and out of the cell |
cell wall | layer outside the cell membrane in plant cells that provides support |
nucleus | organelle that contains DNA and controls cell's activities |
organelles | the structures inside a cell that perform specific functions |
vacuole | organelle that stores water; largest organelle in plant cell |
mitochondria | organelle that breaks down food and produces energy |
ribosomes | organelle where proteins are made |
endoplasmic reticulum | transportation network that takes molecules where they need to go |
chloroplast | part of plant cell that uses energy from the sun to create food for the cell |
cytoplasm | jelly-like substance inside the cell membrane that holds and protects organelles |
autotrophs | organisms that convert energy from light or inorganic substances to usable energy |
heterotrophs | organisms that obtain energy from other organisms |
Golgi apparatus | processes proteins |