1. Special enzymes open two strands of a DNA molecule. 2. Nucleotides floating in the nucleus bind to a DNA strand following the rules for basepairing.
3. ?
4. The two strands of separated DNA reattach and restore the double helix.
Which step is missing from this description of transcription?
A.
The DNA strand leves the nucleus and attaches to a ribosome in the cytoplasm.
B.
The RNA strand permanently bonds to the DNA strand in the nucleus.
The DNA strand dissolves as all the DNA in the nucleus is converted to RNA.
C.
D.
The RNA message that is made from DNA seperates from the DNA strand.