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cells
vocab
Term | Definition |
---|---|
cell walls | tough, rigid outer covering that protect the cells and give them shape. |
cell membrane | a protective layer surrounding every cell. |
cytoplasm | a gelatin like substance that flows inside the cell membrane. |
ribosomes | cells that make their own protein on small structures. |
organelles | the parts that are inside the cell. |
nucleus | organelle that controls all the activities of a cell. |
chloroplasts | green organelles in the cytoplasm that make food for the plant cells. |
mitochondria | organelles where energy is released. |
endoplasmic reticulum | a series of folded membranes in which materials can be processed. |
golgi bodies | stacked flatend membranes. |
tissue | a group of similar cells that work together to do one job. |
organ | a structure made up of two or more different types of types of tissues that work together. |
organ system | a group of organs working together to perform a certain function. |
virus | a strand of hereditary material surrounded by protein coating. |
hostcell | a virus multiplying by making copies of itself with a help of a living cell. |
lysosome | its job is to clean bad things that are in the cell. |
organ system | a group of organs that perform a certain function. |