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Related Flashcards
Cards In This Set
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The small circular bits of DNA in bacteria that have been used as vectors to introduce genes in genetic engineering are called:
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Plasmids
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What would be a strategy to stop loss of genetic diversity in crop plants?
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Collect seeds of traditional varieties for storage in a seed bank
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In producing recombinant DNA molecules a _______ can serve as a vector for introducing the foreign gene into the host.
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Plasmids
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Loss of genetic diversity can be blamed on:
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Monocultural practices, plant disease, and the green revolution
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What do we call a plant that contains genes from another organism?
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Transgenic
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Approximately 93% of the U.S. soybean crop has been genetically engineered for:
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Herbicide resistance
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Caffeine is...
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An alkaloid; a stimulant; comes from a seed
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What is not a source of caffeine?
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Theobroma cacao
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Coffee is native to
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Ethiopia
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The leaves of Camellia sinensis are the source of
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Tea
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The processing of green teas differs from that of black teas in that the _____ step does not take place
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Fermentation
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The coffee variety which produces the best tasting and aromatic coffees is:
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Arabica
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Theobromine is the major alkaloid in which plant?
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Cacao
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Coffee beans are actually the _______ of the coffee plant.
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Seeda
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_______ is pure chocolate liquor.
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Coca butter
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