The CPR Basics has the basic steps for CPR. Use it for quick information on hand placement for chest compression, compression rates, compression depth, and ratio of compressions to rescue breaths. The American Heart Association recommends taking a class on how to give CPR and then use the steps below as a reference.
Prophase (from the Greek ÏÏÏ, before and ÏÎ¬ÏÎ¹Ï, stage), is a stage of mitosis in which the chromatin condenses into double rod-shaped structures called chromosomes in which the chromatin becomes visible. This process, called chromatin condensation, is involved with the condensin complex.
There are four phases that occur in mitosis. The first phase of mitosis is prophase. Cells that are in prophase have an enlarged nucleus and the cell's chromosomes are in short, jumbled strands. At this time the nucleolus of the cell is no longer visible. Prophase takes up approximately 14 percent of the cell cycle. Metaphase comes after prophase.