Chest pain refers to pain felt anywhere in the chest area from the level of your shoulders to the bottom of your ribs. It is a common symptom. There are many causes of chest pain. This leaflet only deals with the most common.
Answered by The WikiAnswersÂ® Community. Making the world better, one answer at a time. The Genes determine the nature of the cell's work....Each gene is a blueprint that directs the production. The Genes determine the nature of the cell's work....Each gene is a blueprint that directs the production.
1 Chromosome Segregation: equal distribution of daughter chromosomes to each of the two daughter cells. 2  Interphase: longest phase of cell cycle. 3  External factors that influence cells: signal molecules, hormones, growth factors, death factors; bind to surface of cell and trigger a reaction.