organelle - A tiny cell structure that carries out a specific function within the cell., cell wall - A rigid supporting layer that surrounds the cell of plants and some other organisms. , cell membrane - A thin, flexible barrier that surrounds a cell and controls which substances pass into and out of a cell., cytoplasm - The thick fluid region of a cell located inside the cell membrane (in prokaryotes) or between the cell membrane and nucleus (in eukaryotes)., nucleus - a large oval organelle that contains the cell's genetic material in the form of DNA and controls many of the cell's activities. , mitochondria - rod-shaped organelles that convert energy in food molecules to energy the cell can use to carry out its functions.  , chloroplast - AN organelle in the cells of plants and some other organisms that captures energy from sunlight and changes it to an energy form that cells can use in making food. , vacuole - a sac-like organelle that stores water, food, other materials needed by the cell.  , structure - a specific shape or form or pattern. , function - a specific purpose and / or job that somethings does.,

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