DNA Conformations

Q. In B-DNA, the distance between two base pairs is

1. 3.4 Å
2. 34 Å
3. 0.34 Å
4. 20 Å

Q.

Which of the following statement(s) about A and Z DNA structure are correct?

1. Z-form DNA is a right-handed helix; A-form DNA is a left-handed helix

2. A-form DNA is a right-handed helix; Z-form DNA is a left-handed helix

3. In A-form, the bases occupy the interior of the helix; In Z-form, guanosine rotates around the glycosidic bond

4. In A-form, the bases rotate around the glycosidic bond; In Z-form, the bases occupy the interior of the helix

Q. In B-DNA, the distance between two base pairs is

1. 3.4 Å
2. 34 Å
3. 0.34 Å
4. 20 Å

Q.

Which of the following statement(s) about A and Z DNA structure are correct?

1. Z-form DNA is a right-handed helix; A-form DNA is a left-handed helix

2. A-form DNA is a right-handed helix; Z-form DNA is a left-handed helix

3. In A-form, the bases occupy the interior of the helix; In Z-form, guanosine rotates around the glycosidic bond

4. In A-form, the bases rotate around the glycosidic bond; In Z-form, the bases occupy the interior of the helix