Fill up the blanks -
A. When cut by the same restriction enzyme, the resultant DNA fragments have the same kind of _____ and these can be joined together end-to-end using ______.
B. Disruption of the cell membranes can be achieved by treating the bacterial cells plant or animal tissue with enzymes such as ______ (bacteria), _____ (plant cells) and ______ (fungus).
C. If any protein encoding gene is expressed in a heterologous host, it is called a _____.
D. In gel electrophoresis, the separated DNA fragments can be seen only after staining the DNA with a compound known as ________ followed by exposure to UV radiation.
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