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.
The number of protons determines the number of electrons. This, in turn, determines the chemical properties of the atom. Protons contribute to the mass of an atom and provide positive charge to the atom. The number of protons also determines the identity of the element. Electrons have a negative charge. Since the atom has no charge, the number of electrons must equal the number of protons. The electrons arrange themselves in energy levels around the nucleus.