题目内容
New recombinant DNA techniques involve breaking living cells gently, the extraction of DNA, its purification and subsequent selective fragmentation by highly specific enzymes
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the sorting, analysis, selection and purification of a fragment containing a required gene.
Isolated enzymes have long been a part of many biotechnological possesses and their catalytic properties are being further-utilized with the development of suitable immobilization techniques allowing reuse of the biocatalyst.
Bioreactors play a central role in biotechnological processes by providing a link between the starting materials or substrates and final products.
Chemical bonding to the DNA of a carrier molecule and the introduction of the hybrid DNA into a selected cell for reproduction and celluar synthesis.
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