What is the role of enzymes in the replication of dna? ?

Catalina ate a candy bar and then went on a fast-moving ride in an amusement park. she was sick to her stomach after the ride and now, catalina cannot eat candy bars, because they make her nauseous. in this learned association, the candy bar serves as a(n) to catalina.

Why do farmer's kill animals in a mean way, don't farmer's have feeling's?

Describe how you would communicate with patients that chose the physician assisted suicide option.