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Transcript
The Parts of A Cell Standard 7.1a Students know cells function similarly in all living organisms. Cell Membrane • Every cell has a flexible covering that surrounds it called the cell membrane. • The membrane is semi-permeable. This means some substances are allowed into the cell and some substances CANNOT leave or enter the cell. Cell Wall • Some cells, like plants and fungi have a rigid cell wall. • Cell walls provide shape, support, and protection for the cell. • Animal cells DO NOT have cell walls. Cytoplasm • Inside every cell is a thick fluid made mostly of water, called the cytoplasm. What are Organelles? • Inside cells there are structures with specific jobs called organelles. • Some single celled organisms, like bacteria, DO NOT have organelles Nucleus Nucleolus Ribosomes Control center- stores DNA Inside Nucleus- makes amino acids Proteins made here Endoplasmic Protein & Lipid Reticulum (ER) production Mitochondrion Powerhouse of cellmake energy Chloroplast PLANTS ONLY- Golgi Apparatus Vesicles Vacuoles Use light to make energy Processing Factorymakes sorts and ships molecules Made in the Golgi“bubbles” for transport “bubbles” for storage