Freitag, 11. Februar 2011

Cancer Cells And Normal Cells: What Is The Difference?

Cancer Cells And Normal Cells: What Is The Difference?


Cancer is generally defined as a growth or tumor that results from abnormal and uncontrolled cell division. Normal cells of the body, with a hardly any exceptions, constantly undergo cell division as ancient and injured cells die off and are replaced. The action of Controlled growth and death of normal cells is referred to as homeostasis, and its goal is to maintain a healthy balance in the lifetime processes of the cells, tissues, and organs of the body. To achieve this goal, cell growth and division occurs in a action called the cell cycle, and its steps are carefully controlled by a variety of genetic and molecular feedback mechanisms.In cancer cells, any one or distinct of these mechanisms malfunction, allowing the cells' growth to proceed unchecked. More information: click here

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