DNA replication is the process by which a double-stranded DNA molecule is copied to produce two identical DNA molecules. Replication is an essential process because, whenever a cell divides, the two new daughter cells must contain the same genetic information, or DNA, as the parent cell.
You are watching a horror movie. The music changes to the familiar tune you recognize as a prelude to. danger. You tense up, your heart rate increases, your breathing becomes shallow, your mouth is dry.
Everyone's mouth feels dry from time to time. It's when this feeling doesn't go away that you may have a problem with saliva production. Symptoms of dry mouth include: A sticky, dry feeling in your mouth. Trouble swallowing. A burning sensation on your tongue. A dry feeling in your throat.