In most bacterial mRNAs, the initiation codon is preceded by a special sequence called

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