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Cells Lesson 1
Life Science
Term | Definition |
---|---|
tissue | a group of similar cells that do the same job in an organism |
organ | a body part made of different kinds of tissues that work together to do a certain job |
cell membrane | controls passage of materials into and out of the cell; a thin outer layer of the cell |
nucleus | a large, round structure at the center of the cell that controls the activities of the cell |
organism | an individual living thing that can carry out all its own life activities |
mitochondrion | powerhouse of the cell, where food is converted into energy |
vacuole | stores water,food and waste for the cell |
cell | the smallest part of a living thing that can carry out processes of life |
nuclear membrane | contains pores and controls the passage of materials in and out of the nucleus |
cytoplasm | the gel-like material inside the cell that holds all the other parts of the cell |
cell wall | the hard outer layer of the plant cell that protects and gives support |
chloroplast | a part of the plant cell that uses energy from sunlight to make food |
chlorophyll | a green chemical inside of the chloroplast organelle |