[Are synthesized by bacter...] Restriction endonucleases:

For Competitive Exams

Restriction endonucleases:

Are synthesized by bacteria as part of their defense mechanism

Are used for in vitro DNA synthesis

Are used in genetic engineering for ligation of two DNA molecules

Are present in mammalian cells for degradation of DNA when the cell dies

Additional Questions

DNA duplex shows	Answer
During DNA replication, the reunion or recoiling of separated DNA strand is prevented by	Answer
Which of the following enzyme is required to release the tension imposed by uncoiling of strands?	Answer
The cellular composition of m-RNA is	Answer
Formation of mRNA from DNA is called	Answer
The ratio of purines and pyrimidines in mRNA is not 1:1 because the nitrogenous bases are	Answer
The codons which may present at 3¢ end of mRNA	Answer
Which of the following is not tool of genetic engineering?	Answer
The most common plasmid vector used in genetic engineering is	Answer
Eco RI is an	Answer

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