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Lecture

Structure And Function Study Questions

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Department
Biological Sciences
Course
BIOL 2051
Professor
All Professors
Semester
Fall

Description
StructureFunction1 Name 6 abilities of living cellsMetabolism Communication Movement Reproduction Differentiation EvolutionMetabolism CommunicationMovement EvolutionDifferentiationReproduction2 Who was the first to use a microscope to see microorganismsRobert Hooke 16653 What did he see Mold4 What type of microscopy did he useLight5 Who was the first to use a microscope to see bacteriaAntoni van Leeuwenhoek 16766 How do we know he saw bacteriaPaper water infusions7 What type of microscopy did he useLight8 What are the four types of light microscopyBrightfield o Simplesto Specimen illuminated magnified 1000x o Specimen stained to increase contrast 10x objective100x total magnification 100x objective1000x total magnification Phase ContrastCell has black background light shone directly on specimen o Visualize live sampleso No staining required o Image contrast derived from cell structuresBrightfieldPhase ContrastDarkfieldDarkfieldShadow cast dimension of cells visible o Visualize live sampleso No staining required o Image contrast derived from cell structuresFlourescentVisualization of auto fluorescent molecules or fluorescent stainsRequired UV lamp o Cells usually die or become damaged because of the UV lightDAPI used to stain typically stains the nucleus
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