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How is chemistry and physics used in biology to make biology work?
Wiki User
∙ 13y ago
Physics and chemistry are essential for Biology. Many biological processes cant be observed by the naked eye and so we need tricks to make visible.
The most important physics contribution for biology is the microscope.
By arranging lenses in exact order the smallest cells become visible. Lately many advances have been made we can use electron microscope which uses electron instead of light. We can use fluorescence microscopes where we can exploit another physics principle. Certain chemicals are fluorescence which means they basically excite photons (light particles). And these fluorescence chemicals are combined with antibodies to stain specific cells.
Also MRI (magnetic resonance imaging), X-ray's, CAT scans and fMRI all exploit physiscs to make certain structures visible without having to cut open subjects. X-ray crystallography for example was used to determine the structure of DNA. fMRI where blood flow can be measured is used in neurobiology to map brain activity. Also its possible to divide certain cells in a culture by using magnetism by coating antibodies with magnetic beads specific for a certain cell type. There are many more tricks that are used but I think you get the picture.
And chemistry well without chemistry there wouldn't be biology. Biology is mainly chemistry the interactions of certain molecules makes us a living breathing individual. The list of contributions of chemistry is therefore endless.
Wiki User
∙ 13y ago
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