

MCQOPTIONS
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1. |
Choose the incorrect statement in respect to topoisomerase I. |
A. | It is used to cleave only one DNA strand |
B. | It leaves at the recognition sequence –C/TCCTT- and is covalently attached to one end of the cleaved molecule |
C. | The supercoiling of the DNA strand is altered and then it is sealed again by the enzyme |
D. | It is slower than the normal DNA ligase |
Answer» E. | |