Why does the DNA re-zip closed when the mRNA is done being made?

in a chemical reaction, the atoms and molecules produced by the reaction are called products. no new atoms are created, and no atoms are destroyed. in a chemical reaction, reactants contact each other, bonds between atoms in the reactants are broken, and atoms rearrange and form new bonds to make the products.

answer/// the nucleoid region contains dna; ///

answerscaffolding proteins;