Biologists’ Tools and Technology

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Presentation transcript:

Biologists’ Tools and Technology Biology Section 1.4

Microscope Tool that provides an enlarged image of an object Light microscopes use light to magnify an image Microscope

Uses a beam of electrons to create an enlarged image of an object Not able view living specimens Electron Microscopes

Scanning Electron Microscope Shows 3-D image of an object by passing electrons over the surface Scanning Electron Microscope

Transmission Electron Microscope Passes electrons through a thin slice of a specimen Transmission Electron Microscope

Medical Imaging X-Rays: View dense tissue MRI: Views soft and dense tissues Medical Imaging

Allows us to model situations that would not be appropriate to test in real life Computer modeling

Segment of DNA that stores genetic information for a particular trait

Molecular Genetics Study and manipulation of DNA Genetically modified foods Transgenic plants and animals Gene therapy Molecular Genetics

Sequencing DNA in order to compare genomes (entire sets of DNA) between species Genomics

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