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Cells
Term | Definition |
---|---|
prokaryotic cell | single celled with no nucleus example-bacteria |
eukaryotic cell | single celled or multicelled, has a nucleus example- animal or plant cells |
nucleus | control center of the cell, contains DNA |
cell membrane | outer layer of the cell, allows things in and out of the cell |
chromatin | DNA material, genetic material |
nuclear membrane | surrounds the nucleus, allows things in and out of the cell |
endoplasmic reticulum(ER) | moves materials through the cell, transport system of the cell |
ribosomes | make proteins |
golgi body | packages the proteins and sends them to the cell membrane |
cytoplasm | gel- like material inside the cell, "space filler" of the cell |
vacuole | stores food and water and wastes, plant cells have very large vacuoles |
chloroplast | traps suns energy, photosynthesis happens here |
lysosome | breaks down food molecules and old cell parts |
mitochondria | powerhouse of the cell, makes energy |
cell wall | surrounds the plant cell, protects and gives shape |
Cell Theory | 1. all living things are made of cells 2. cell is the smallest living thing that can perform the functions of life 3. cells come from other cells |