What is the breaking of the hydrogen bonds that hold the two strands of dna together, creating single strands?

Imagine if going to work every day meant your life thats the reality that meat packers in this county face with some of the highest rates of injury and death of any profession i myself worked at such a facility for two years and can resport on the unsafe conditions firsthand

Which words most the reader understand the meaning of usurpers

Why does the host answer the guest with brief responses during the party?