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Ch.2 Cells Vocab
vocab
Question | Answer |
---|---|
Brianna | LaSee |
cell walls | tough, rigid, and outer coverings that protect the cell and give it its shape |
organelles | structures within the cytoplasm of eukaryotic cells |
nucleus | directs all cell activities and is seperated from the cytoplasm by a membrane |
chloroplasts | food is made in green orgaelles in the cytoplasm (plant cells) |
mitochonderia | organelles where energy is released from breaking down food into carbon dioxide and water |
ribosomes | small structres in which cells make their protien |
endoplasmic reculum | a series of folded membranes in which materials can be procesed and moved around inside the cell membrane |
golgi bodies | stacked, flattened membranes |
tissue | a group of simmilar cells that work together to do one job |
organ | a structure made of two or more diferent types of tissue that work together |
cell theroy | the theroy that: all organisms are made up of one or more cells, the cell is the basic unit of organization in organisms, and that all cells come from cells |
virus | a strand of hereditary material surrounded by a protien coating |
host cell | the living cell in which a virus cell needs in order to to multiply |