Which given statements are correct about DNA (model-B)?

(i) Adenine forms three hydrogen bonds with Thymine from opposite strand and vice – versa.

(ii) Guanine is bonded with Cytosine with two H-bonds.

(iii) The two chains are coiled in a right-handed fashion.

(iv) The pitch of the helix is 3.4 nm and there are roughly 10 bp in each turn.

(v) Distance between a bp in a helix is approximately equal to 0.34 nm

(vi) Francis Crick proposed the Central dogma in molecular biology, which states that the genetic information flows from DNA 🡪 🡪 RNA 🡪 🡪 Protein.

(vii) In some viruses the flow of information is from RNA to DNA.