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Transcript
Structure and Function of Cells The structures within a cell function in providing protection and support, forming a barrier between the cell and its environment, building and repairing cells parts, transporting materials, storing and releasing energy, getting rid of waste materials, and increasing in number. The following diagrams show two typical cells. Identify whether the cell is a plant or animal cell, and then label the following structures. Structure and function of cells (g) Complete the table below. You do not need to write in full sentences. Cell Part Description Function Plant, Animal, Both Strong, stiff, nonliving layer outside the cell membrane; only found in plants, made of cellulose Cell Membrane Nuclear Membrane Or Nuclear Envelope Region between the nucleus and the cell membrane; consists of a jellylike substance that contains many organelles Nucleus Nucleolus One of a set of structures found in the nucleus; made of DNA, plus some protein Structure and function of cells (g) Endoplasmic reticulum Small, grain like body; may be attached to the endoplasmic reticulum or floating free in cytoplasm; produced in nucleolus Rod-shaped organelle; located in the cytoplasm; has a smooth outer membrane and a greatly folded inner membrane. Both Vacuole Lysosome Animal, rare in plant Captures energy in sunlight and uses it to produce food Structure and function of cells (g)