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12th Biology 2013 Set1 Delhi Board Paper Solution

Question 3

Name the enzyme and state its property that is responsible for continuous and discontinuous replication of the two strands of a DNA molecule.

DNA dependent DNA polymerase. This enzyme catalyse polymerisation only in one direction, i.e., 5' ----> 3'. As a result on template strand with 3' ----> 5' the replication is continuous while on the template strand with polarity 5'  3' it is discontinuous.