Bio for non majors 2

Bio for non majors 2 - Cytosol is not exactly the same as...

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The cell The fundamental unit of life Two main classifications of cells: Prokaryotic cells: include bacterial and archea cells Eukaryotic cells: include all other cells besides bacteria and archea Karyon means “nucleus” in Greek Prokaryotic means “before nucleus” Eukaryotic means “true nucleus” Components of Eukaryotic Cells Nucleus The control center of the cell A membrane-bound organelle that contains the cell’s DNA Nuclear Envelope: double membrane that surrounds the nucleus Nucleolus: structure within the nucleus devotes to the productions of ribosomal RNA Other Organelles Organelle means “tiny organ” Organelles are specialized compartments Cytosol A protein-rich, jelly-like fluid in which the cell’s organelles are immersed
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Unformatted text preview: Cytosol is not exactly the same as the cytoplasm, which is the region outside of the nucleus. Cytoskeleton Internal protein scaffolding involved in cell shape, cell movement, and movement of materials within the cell Plasma Membrane A membrane forming the outer boundary of the cell Provides structural support Contains protein signals for recognition by the immune system Contains receptor proteins that bind to signaling molecules Contain channels that allow molecules or ions to enter or leave the cell Components of Eukaryotic Cells Organelles Nucleus Nucleolus Rough Endoplasmic Reticulum Golgi Smooth Endoplasmic Reticulum Lysosome Mitochondria...
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This note was uploaded on 11/08/2011 for the course BIO 0815 taught by Professor Crucielli during the Spring '11 term at Pittsburgh.

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Bio for non majors 2 - Cytosol is not exactly the same as...

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