The topoisomerase ________ introduces positive supercoils in DNA, which stabilizes DNA and prevents the DNA helix from denaturing at high temperatures.
A. reverse ligase
B. ligase
C. DNA gyrase
D. reverse DNA gyrase
Answer:D
The topoisomerase ________ introduces positive supercoils in DNA, which stabilizes DNA and prevents the DNA helix from denaturing at high temperatures.
A. reverse ligase B. ligase C. DNA gyrase D. reverse DNA gyrase