| A | B |
| Unzipping | DNA unwinds or untwists |
| template | the original strand of DNA |
| complement | the newly made strand of DNA |
| guanine | cytosine bonds with it |
| thymine | adenine bonds with it |
| hydrogen bases | where DNA strands separate so they can be "read" |
| free nucleotides | what a new DNA strand is built from |
| nucleus | the organelle where DNA replication takes place |
| DNA to DNA | replication is a process of copying ______ to make more __________ |