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Published byMelvyn Ryan Modified over 9 years ago
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What is Biotechnology? Definition – Use of living organisms and their parts as tools.
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Yeast How long has Biotech been around? Thousands of years CLASSICAL OR “OLD” BIOTECH
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FOOD Majority of food you eat is genetically modified - what types? - how? - why? Example 1: Golden Rice genetically-engineered; increased amounts of Vitamin A
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Example #2 - Cheese “Old” Biotech – enzyme directly from calves’ stomachs to curdle milk “New” Biotech – calf DNA transferred into bacteria; cellular factory
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Example #3 –Beer, Wine, Bread Yeast produce ethanol and CO 2
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Example #4 – Yogurt Bacteria produce lactic acid IMPORTANT POINT Biotech has been around for thousands of years!
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FIBER Biopulping - Using bacteria (not chemicals) to convert woodchips to paper Bioremediation – using plants to remove toxins from the ground
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FUEL Using crops or manure as a source of renewable energy
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FEEDSTOCKS Using starch instead of petroleum to create biodegradable plastics
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PHARMACEUTICALS - Genetic Testing - Drug Development - “Disease” detection
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GOT SILK? VIDEO Click here for video link If the link doesn’t work, go to http://www.pubinfo.vcu.edu/secretsofthesequence/playlist_frame.asp and find “Got Silk” in the playlist.
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