What is the length of the one complete spiral DNA?
A
10 oA
No worries! We‘ve got your back. Try BYJU‘S free classes today!
B
20 oA
No worries! We‘ve got your back. Try BYJU‘S free classes today!
C
32 oA
No worries! We‘ve got your back. Try BYJU‘S free classes today!
D
34 oA.
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
Open in App
Solution
The correct option is A 34 oA.
An answer is an option (D).
The length of one complete turn spiral is 3.4 nm (34 Å ). One turn is the distance between two successive major grooves or minor grooves. 3. In one complete turn of DNA, 10 base pairs are present.