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Lecture

Introduction to Cell Biology lecture notes.docx

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Department
Biology
Course
BIO1140
Professor
A L L
Semester
Fall

Description
Introduction to Cell BiologyWhat is a CellFundamental unit of lifeoEvery organism either consists of cells or is itself a single cellCell TheoryoI All organisms consist of one or more cellsoII The cell is the basic unit of structure for all organismsTheodor Schwann1839 Matthias Schleiden 1838oIII All cells arise only from preexisting cells ie the cell is the basic unit of reproductionRudolf Virchow 1855Structure on which life is basedReproductive and structural unit of lifeSimplest forms are solitary cellsAll cells share basic structural functional and chemical propertiesCan one speak of the cell oEnormous diversity in form function and sizeoSimilar basic chemistry unitySimilar chemical compositionMetabolism
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