Lecture2 - Lecture 2: Principles of Cellular Physiology...

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Lecture 2: Principles of Cellular Physiology Lecture 2: Principles of Cellular Physiology Reading : - Chapter 2 - Chapter 3 (membrane structure and composition, pgs 52-57)
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October 24, 1632 Antony van Leeuwenhoek (1632-1723) On September 17, 1683, Leeuwenhoek wrote to the Royal Society about his observations on the plaque between his own teeth, "I then most always saw, with great wonder, that in the said matter there were many very little living animalcules, very prettily a-moving. The biggest sort. . . had a very strong and swift motion, and shot through the water (or spittle) like a pike does through the water. The second sort. . . oft-times spun round like a top. . . and these were far more in number." - fabric merchant - never attended university - learned how to grind lenses - constructed ~500 microscopes - wrote letters to the Royal Society describing what he saw
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The Cell - Levels of Organization: I - Plasma membrane II - Nucleus III - Cytoplasm A - Organelles 1 - ER 2 - Golgi complex 3 - Lysosomes 4 - Peroxisomes 5 - Mitochondria 6 - Vaults B - Cytosol C - Cytoskeleton 1 - Microtubules 2 - Microfilaments 3 - Intermediate filaments
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Plasma membrane - thin membrane enclosing each cell
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Plasma membrane - thin membrane enclosing each cell Composed of phospholipid bilayer
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Plasma membrane - thin membrane enclosing each cell membrane proteins and carbohydrates membrane proteins - channels and carriers to transport molecules and ions - receptors to signal responses - form adhesions and junctions
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- transfer RNA - transfers the appropriate amino acids from the cytoplasm to
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This note was uploaded on 01/30/2012 for the course BIS 101/102 taught by Professor Etzler during the Spring '10 term at UC Davis.

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Lecture2 - Lecture 2: Principles of Cellular Physiology...

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