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  Enzymes   Characteristic/Activity
A.    Terminal transferases 1.       Stable above 90oC
B. Polynucleotide kinases 2. Cleaves the ends of linear DNA
C. Tag DNA polymerases 3. Adds phosphate to 5’OHend of DNA or RNA 
D. Exonucleases 4. Adds a number of nucleotides to the 3' end of DNA or RNA
    5. Regulate the level of supercoiling of DNA molecule

 

Option: 1

A-5,B-4,C-3,D-2


Option: 2

A-4,B-3,C-1,D-2


Option: 3

A-1,B-4,C-5,D-2


Option: 4

A-2,B-3,C-4,D-1


Answers (1)

best_answer
Enzymes Characteristic/Activity
Terminal transferases Adds a number of nucleotides to the 3'end of DNA or RNA
Polynucleotide kinases Adds phosphate to 5' OHend of DNA or RNA
Tag DNA polymerases Stable above 90oC
Exonucleases Cleaves the ends of linear DNA

Hence, the correct answer is option 2.

Posted by

Ritika Jonwal

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