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An Intiative by Sri Chaitanya
a
A - iii, B - ii, C - iv, D - i
b
A - ii, B - i, C - iv, D - iii
c
A - iv, B - iii, C - i, D - ii
d
A - iii, B - iv, C - ii, D - i
answer is D.
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Detailed Solution
Genomic DNA is separated from cellular components by treating with chilled ethanol. Ethidium bromide is used to detect the DNA fragments resolved in gel matrix which appear orange colored upon exposure to UV radiation. Gel electrophoresis separates the DNA fragments formed by restriction digestion. Heat shock makes the host bacteria take up the rDNA.