Q.

Which of the following statements are correct regarding the salient features of DNA double helix?(a) It is made of two polynucleotide chains, where the backbone is constituted by sugar-phosphate, and the bases project outside.(b) The two chains have anti-parallel polarity. It means, if one chain has the polarity 5'→3', the other has 3'→5'. (c) There are roughly 10 bp in each turn of double helix.

see full answer

Talk to JEE/NEET 2025 Toppers - Learn What Actually Works!

Real Strategies. Real People. Real Success Stories - Just 1 call away
An Intiative by Sri Chaitanya

a

a and b

b

b and c

c

a and c

d

a, b and c

answer is B.

(Unlock A.I Detailed Solution for FREE)

Ready to Test Your Skills?

Check your Performance Today with our Free Mock Test used by Toppers!

Take Free Test

Detailed Solution

The two chains have anti-parallel polarity. It means, if one chain has the polarity 5'→3', the other has 3'→5'.The two chains are coiled in a right-handed fashion. The pitch of the helix is 3.4 nm and there are roughly 10 bp in each turn.It is made of two polynucleotide chains, where the backbone is constituted by sugar-phosphate, and the bases project inside.
Watch 3-min video & get full concept clarity
Related Blogs
Get ₹ 1 crore* worth scholarship for JEE / NEET / Foundation
Result Producing online coaching for JEE/NEET of south India
Largest All India Test Series for JEE/NEET
Best Books for IIT JEE
Best Books for NEET
How to Join IIT after 10th
score_test_img

Get Expert Academic Guidance – Connect with a Counselor Today!

Related Blogs
Get ₹ 1 crore* worth scholarship for JEE / NEET / Foundation
Result Producing online coaching for JEE/NEET of south India
Largest All India Test Series for JEE/NEET
Best Books for IIT JEE
Best Books for NEET
How to Join IIT after 10th
whats app icon
Which of the following statements are correct regarding the salient features of DNA double helix?(a) It is made of two polynucleotide chains, where the backbone is constituted by sugar-phosphate, and the bases project outside.(b) The two chains have anti-parallel polarity. It means, if one chain has the polarity 5'→3', the other has 3'→5'. (c) There are roughly 10 bp in each turn of double helix.