BIOL 2170 Chapter Ten Notes
BIOL 2170 Chapter Ten Notes BIOL 2170
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This 2 page Class Notes was uploaded by chelsea1023 on Tuesday October 27, 2015. The Class Notes belongs to BIOL 2170 at University of Toledo taught by Dr. Deborah Chadee in Summer 2015. Since its upload, it has received 14 views. For similar materials see Fundamentals of Life Science: Biomolecules, cells, and Inheritence in Biology at University of Toledo.
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Date Created: 10/27/15
Chapter Ten Cell Form and Function Tissue collection of cells that work together to perform a function Organ two or more tissues that come together to perform a function Microtubules 0 Made of tubulin dimers o Hollow tube Microfilaments 0 Made of actin monomers 0 Double helix 0 Cilia and flagella are examples Intermediate filaments 0 Strong fiber made of intermediate filament proteins 0 Defects in this can cause epidermolysis bullosa skin is far less resistant to physical stress 0 If found where don t belong in lymph nodes can cause cancer Types of cellular movement 0 Cell movement itself 0 Change in shape 0 Movement of objects within Muscle contraction myosin changes and actin filaments are slid relative to myosin resulting in shortening of the muscle cell Microtubules contain doublets in a 92 arrangement Cell Adhesion o How cells stick together or to other things 0 Adherins junctions use cadherins to stick to microfilaments o Desmosomes use cadherins to stick to intermediate filaments o Hemidesmosomes use integrins to stick to intermediate filaments Gap junctions are used to pass a molecule from one cell to another Extracellular matrix plants 0 Cell wall 0 Middle lamina 0 Primary cell wall 0 Secondary cell wall
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