UW-Madison BIOLOGY 151 - Endocytosis (2 pages)

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Endocytosis, exocytosis

Lecture number:
Lecture Note
University of Wisconsin, Madison
Biology 151 - Introductory Biology

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Bio 151 1nd Edition Lecture 6 Outline of Last Lecture Prokaryotic Cells Eukaryotic Cells o Nucleus o Endomembrane system Traffic patterns Exocytosis endocytosis Degradation and recycling Outline of Current Lecture Endomembrane system o Traffic patterns o Exocytosis endocytosis o Degradation and recycling Cytoskeleton o Filament types Current Lecture Endomembrane system nuclear bilayer that envelops the nucleus Endoplasmic Reticulum ER site of integral membrane and secretion going outside protein synthesis o Also site of membrane assembly o 2 types Smooth ER sER no ribosomes site of lipid synthesis synthesis of fatsoluble molecules steroid hormones detoxification center alcohol Rough ER rER with ribosomes ribosomes come in two forms Free make protein destined for cytosol Bound associated with rER make membrane secreted proteins These notes represent a detailed interpretation of the professor s lecture GradeBuddy is best used as a supplement to your own notes not as a substitute Exit in the form of vesicles Golgi materials enter at cis face materials worked on in sacs and exit at trans face sorting happens at trans face traffic patterns diverge vesicles fuse with plasma membrane exocytosis materials enter cell wall Endocytosis lysosomes vacuoles degradation and recycle

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