The diameter of Z-DNA is

Question

The diameter of Z-DNA is (A) 34 overseto mathopA  (B) 20 overseto mathopA  (C) 18 overseto mathopA  (D) 45 overseto mathopA

Tardigrade Admin · Accepted Answer

Z-DNA is left-handed double-helix with zig-zag back bone. The helix of Z-DNA is 18 overseto mathopA in diameter containing 12 bp per turn. One turn of Z-DNA has 45 overseto mathopA length. B-DNA is right-handed double-helix. The helix of B-DNA is 20 overseto mathopA in diameter containing 10 bp per turn. One turn of B-DNA has 34 overseto mathopA length.

Q. The diameter of Z-DNA is

34 $A o$

20 $A o$

18 $A o$

45 $A o$

Q. The diameter of Z-DNA is

34 Ao

20 Ao

18 Ao

45 Ao

Z-DNA is left-handed double-helix with zig-zag back bone. The helix of Z-DNA is 18 Ao in diameter containing 12 bp per turn. One turn of Z-DNA has 45 Ao length. B-DNA is right-handed double-helix. The helix of B-DNA is 20 Ao in diameter containing 10 bp per turn. One turn of B-DNA has 34 Ao length.

34 $A o$

20 $A o$

18 $A o$

45 $A o$