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  4. Which enzyme is mainly responsible for DNA chain elongation during replication ?

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Q. Which enzyme is mainly responsible for DNA chain elongation during replication ?

COMEDKCOMEDK 2007Molecular Basis of Inheritance

Solution:

DNA polymerase III establishes phosphodiester linkages between the adjacent deoxyribo-nucleoside phosphates in the presence of ATP/GTP, TPP and Mg2+, thereby resulting in elongation of DNA chain during replication.