Because each strand in DNA that is created contains a Helix that is copied! :) Hope this helps.
This is called mutualism. hope this helpes
Once a virus<span> infects one of your cells it begins to replicate. ... Both of them involve </span>invading<span> a cell called the host cell and reprogramming it to make copies ... proteins during entry and the </span>virus will<span> attach to the protein receptors on the </span>cell wall<span>.</span>