Cell Biology Unit One. Cell Measurements Micrometer (micron) –one millionth of a meter.
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Transcript of Cell Biology Unit One. Cell Measurements Micrometer (micron) –one millionth of a meter.
Cell BiologyCell BiologyUnit OneUnit One
Cell MeasurementsCell Measurements
Micrometer (micron) –one millionth of Micrometer (micron) –one millionth of a metera meter
Cell Cell MeasurementMeasurement
ss
Nanometer Nanometer (millimicron) –(millimicron) –
one billionth of a one billionth of a metermeter
Robert Robert HookeHooke
Antoine van Antoine van LeeuwenhoekLeeuwenhoek
Robert BrownRobert Brown
Matthias SchleidenMatthias Schleiden
Theodor SchwannTheodor Schwann
Karl NageliKarl Nageli
Rudolf VirchowRudolf Virchow
The Cell TheoryThe Cell Theory
All organisms consist of one or All organisms consist of one or more cellsmore cells
The cell is the basic unit of The cell is the basic unit of lifelife
All cells arise from pre-All cells arise from pre-existing cellsexisting cells
Cell Cell Biology Biology
FoundatiFoundationsons
BiochemistryBiochemistry
CytologyCytology
GeneticsGenetics
Cell Biology Cell Biology FoundationsFoundations
CytologyCytology- the study of the structure of- the study of the structure of the cell (300+ years old)the cell (300+ years old)
- improved microscopy has - improved microscopy has led led to the discovery of cell to the discovery of cell structures and functions structures and functions - led to the discipline of led to the discipline of histology histology
Cell Biology Cell Biology FoundationsFoundations
BiochemistryBiochemistry
- the chemistry of organisms the chemistry of organisms (200 years old)(200 years old)
- discovery that organics are discovery that organics are produced from inorganicsproduced from inorganics
- discovery of enzymesdiscovery of enzymes
Cell Biology Cell Biology FoundationsFoundations
BiochemistryBiochemistry
- discovery of metabolic discovery of metabolic pathwayspathways
- discovery and use of discovery and use of improved improved methods and equipmentmethods and equipment
Cell Biology Cell Biology FoundationsFoundations
GeneticsGenetics
- the function of genes and - the function of genes and flow of information from one flow of information from one generation to the next (150 generation to the next (150 years old)years old)
- Mendel’s pioneering work in Mendel’s pioneering work in the 1860’sthe 1860’s
Cell Biology Cell Biology FoundationsFoundations
GeneticsGenetics- identification of identification of chromosomes chromosomes and the chromosome theory and the chromosome theory of of heredityheredity- DNA the major component DNA the major component of of chromosomeschromosomes- discovery and role of genesdiscovery and role of genes
Cell Biology Cell Biology FoundationsFoundations
GeneticsGenetics
- Watson & Crick DNA modelWatson & Crick DNA model
- cracking the genetic codecracking the genetic code
- development of development of recombinant recombinant DNA technology, DNA DNA technology, DNA sequencing, cloning, etc.sequencing, cloning, etc.
The Compound Light The Compound Light MicroscopeMicroscope
The Compound Light The Compound Light MicroscopeMicroscope
Phase-Contrast MicroscopyPhase-Contrast Microscopy
Differential Interference Differential Interference Contrast MicroscopyContrast Microscopy
Fluorescence MicroscopyFluorescence Microscopy
Electron MicroscopesElectron Microscopes
Electron Electron MicroscopesMicroscopes
Transmission Electron Transmission Electron MicroscopesMicroscopes
Transmission Electron Transmission Electron Microscopy ImagesMicroscopy Images
Scanning Electron Scanning Electron MicroscopesMicroscopes
Scanning Electron Scanning Electron Microscopy ImagesMicroscopy Images
Electron Microscopy Electron Microscopy Preparation Tools and Preparation Tools and
TechniquesTechniques
Ultra microtomeUltra microtome Negative StainingNegative Staining
Electron Microscopy Electron Microscopy Preparation Tools and Preparation Tools and
TechniquesTechniques
Freeze FracturingFreeze Fracturing ShadowingShadowing
Other Cell Biology Other Cell Biology TechniquesTechniques
CentrifugationCentrifugation - read Box 12A pages 322-326- read Box 12A pages 322-326
ChromatographyChromatography - read pages 164-165- read pages 164-165
ElectrophoresisElectrophoresis - read page 176, diagram 177- read page 176, diagram 177