Explain how the ratio of surface area to volume

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3. Explain how the ratio of surface area to volume influences the size of a cell.
4. Identify the structures of a typical prokaryotic and eukaryotic cell and their corresponding functions.
5. Ribosomes – synthesize proteins 6. Nucleoid – contains DNA 7. Pili – attachment structures b. Eukaryotic 1. Cytoskeleton – meshwork of fine fibers in the cytoplasm 2. Ribosomes – structure consisting of RNA and protein organized into two subunits and functioning as the site of protein synthesis 3. Centriole - 4. Lysosome – a digestive organelle in the cell 5. Flagellum – a long appendage that propels protists through water and moves fluids across the surface of cells 6. Nucleus – genetic control center of a eukaryotic cell 7. Smooth endoplasmic reticulum – network of interconnected membranous tubules in cell cytoplasm – enzymes in the SER function in the synthesis of certain kinds of molecules such as lipids 8. Golgi apparatus – an organelle consisting of stacks of membranous sacs that modify, store and ship products of the endoplasmic reticulum 9. Rough endoplasmic reticulum – network of interconnected membranous sacs in the cytoplasm – studded with ribosomes that make membrane proteins and secretory proteins. 10. Mitochondrion – organelle where cellular respiration occurs, where most of the cells ATP is made. 11. Plasma membrane – thin layer of lipids and proteins that sets a cell off from its surroundings and acts as a selective barrier to the passage of ions and molecules into and out of the cell.

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