Cellular_Organization1

Cellular_Organization1 - CELLULAR LEVEL OF ORGANIZATION...

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CELLULAR LEVEL OF ORGANIZATION
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HUMAN CELLS Eukaryotic - have nuclei and other membrane-bound organelles Specialized animal cells
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DEFINITIONS Organelles - small structures with special functions in cells Cytosol - fluid part of cytoplasm with many dissolved and suspended components e.g. ions, glucose, amino acids, proteins, lipids, and waste products
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PLASMA MEMBRANE
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PLASMA MEMBRANE surrounds cytoplasm consists of a lipid bilayer and proteins selectively permeable controls movement of substances into and out of cells
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most obvious organelle in eukaryotic cells surrounded by a perforated double membrane contains protein and DNA that provides the cell with its unique characteristics the prominent structure in the nucleus is the nucleolus NUCLEUS
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Endoplasmic Reticulum (ER)
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( continuous with outer nuclear membrane) Rough ER has ribosomes on the membrane surface unlike smooth ER. Smooth ER - important for synthesis of lipids
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This note was uploaded on 09/24/2011 for the course BSC 1085 taught by Professor Staff during the Summer '09 term at Broward College.

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Cellular_Organization1 - CELLULAR LEVEL OF ORGANIZATION...

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