Chapter 10 - Multicellularity

Chapter 10 - Multicellularity - MULTICELLULARITY Click to...

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Click to edit Master subtitle style 4/30/11 MULTICELLULARITY CHAPTER 10
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4/30/11 Multicellular Single organism composed of more than one cell Main benefit from the division of labor Larger genomes = larger proteomes Additional proteins for Cell communication
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4/30/11 Extracellular matrix (ECM) Network of material secreted from the cells forming a complex meshwork outside of cells Major component of certain parts of plants and animals n Major macromolecules of ECM are proteins and polysaccharides n Proteins form large fibers n Polysaccharides give a gel-like character n Important roles such as strength, structural support, organization, and cell signaling Macromolecules and major functions - ECM
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4/30/11 Proteins of ECM Adhesive Fibronectin and laminin Help cells adhere to ECM Structural Collagen provides tensile strength Main protein found in bone, cartilage, tendon, skin Polysaccharides in animal ECM n In vertebrates, the most abundant are glycosaminoglycans
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Chapter 10 - Multicellularity - MULTICELLULARITY Click to...

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