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A cell is like a car The nucleus of a cell would be like the driver of a car, they control the cell/car. Cell membrane is like the doors on a car. They regulate what goes in/out. The cell wall in a plant cell is like the frame on a car. The frame supports the car as the cell wall supports the plant. The endoplasmic reticulum is like the fuel lines on a car. It lets a passage way for fuel to flow like proteins do in the endoplasmic reticulum Golgi apparatus is like the fuel pump on a car. The fuel pump pushes the fuel to the carburetor like the golgi apparatus pushes/sends the package. Mitochondrion is like the battery on a car. It gives the motor energy so it can run like the mitochondrion produces energy for the cell. The vacuole stores waste like the gas tank stores its fuel. The ribosome produces protein for the cell as the alternator produces energy for the battery to stay charged. Comparing Plant and Animal Cells • A plant cell has cell walls to support it but an animal cell has a cytoskeleton to support it. • A plant cell uses photosynthesis and respiration to breath but an animal cell only uses respiration to breath • Plant cells have a chloroplast to absorb energy while an animal cell has no chloroplast • Plant cells are green because of the chlorophyll but animal cells are usually pink/red by blood • Plant cells have one large vacuole to store waste in but an animal cells have many small vacuoles to store waste in. • Plant cells are usually square shaped because on the cell wall holding them together while animal cells can be any shape because they have no cell walls supporting them.