Q. DNA helicase is used to
A. unwind the double helix
B. interact the double helix closely
C. break a phosphodiester bond in DNA strand
D. none of the above Answer: unwind the double helix
A. unwind the double helix
B. interact the double helix closely
C. break a phosphodiester bond in DNA strand
D. none of the above Answer: unwind the double helix