Question

The diagram shows a model of a section of double-stranded DNA. The straight lines and dotted lines represent chemical bonds between the components of the molecule.
During DNA replication, which chemical bonds break apart? Select all that apply

Answer 1

Answer:

Select both of the dotted lines that have boxes not the solid lines.

Explanation:

It asks which CHEMICAL bonds break apart and the dotted lines are hydrogen bonds the rest are not.