alleryThe first restriction endonuclease to be isolated was:
APst I
BHind II
CEcoR I
DBamH I
Answer & Solution
Correct answer: B. Hind II
1. Two enzymes restricting phage growth were found in 1963.
2. The one that cut DNA was named restriction endonuclease.
3. Hind II was the first such enzyme characterised.
_Source: syllabus Biology, Ch 9 'Biotechnology : Principles and Processes'_
Keep practising Biotechnology and Applications
Browse all Biotechnology and Applications questions for AP Intermediate 2nd Year, or explore more Biology topics.
Related questions
In recombinant DNA technology, plasmids are commonly used as:The power of any plant cell to grow into a whole plant is:Which enzyme joins two cut DNA ends to make recombinant DNA?Bt cotton is resistant to BOLLWORM pests because it carries a gene from:The genes cryIAc and cryIIAb protect cotton against:Which body clears the safety of GM organisms in India?Transgenic mice are being used to test the safety of the:Rosie, the first transgenic cow, gave milk enriched in human: