The form or conformation of DNA double helix which is prevalent in vivo is

A. DNA primase B. Primase C. Primer synthase D. All of the above

A. RNA editing B. Antisense RNA C. RNA splicing D. All of the above

A. B-DNA B. A-DNA C. Z-DNA D. All of the above

A. 5' → 3' phosphodiester bonds B. H₂ bonds C. Phosphorylated ions D. Covalent bonds