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.
Hyperventilation, or rapid breathing, which can cause tingling in the fingers and around the mouth by lowering the level of carbon dioxide in the blood stream. This is usually associated with an anxious or panicky feeling. Vitamin B-12 is essential to normal nerve function, so low levels of this can cause tingling.