MCQ
Reaction of 1989 was:
- ANicking by restriction endonucleases
- BPolymerase chain reaction
- CReverse genetics
- DSplicing
Explanation:
In 1985 Norm Arnheim, also a member of the development team concluded his sabbatical at Cetus and assumed an academic position at USC. He began to investigate the use of PCR to amplify samples containing just a single copy of the target sequence. By 1989 his lab developed multiplex-PCR on single sperm to directly analyze the products of meiotic recombination.
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$(i)$ Dosa and Idli is fermented by yeast.
$(ii)$ Saccharomyces cereviceae is a yeast.
$(iii)$ $LAB$ increase quality of vitamin $B_{12}$.
$(iv)$ Whisky and brandy are fermented beverages which produced without distillation.