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Letts:Science Chap.2
Science Chapter 2 Vocabulary
Question | Answer |
---|---|
cell membrane | surrounds a cell, holding the parts of the cell together |
nucleus | the part of the cell that contains the chromosomes |
cell wall | surrounds the cell membrane. It is stiff. |
chloroplast | use the energy in sunlight to turn water and carbon dioxide into oxygen and sugar |
cytoplasm | all the material in the cell between the cell membrane and the nucleus |
vacuole | can sometimes act like a stomach, storing and break down material |
tissue | a group of the same kind of cells working together doing the same job |
organ | a grouping of different tissues combined together into one structure |
organ system | a group of organs and tissues that work together to carry out a life process |