Made of certain proteins. Directs the timing and sequence of events in the cell cycle. If something goes wrong, Cells lose control of cell cycle
A disease caused by a disruption to the cell cycle leading to uncontrolled cell division.
Masses of tissue made of cells. Benign Tumor Abnormal masses of essentially normal cells. Stay at original site of growth. Malignant Tumors Mass of cancerous cells Displace normal tissue as it grows. Can Spread to surrounding tissue. Metastasis
Environmental: Caused from the surroundings Example= cigarette smoke, pollution, UV (sun) Genetic Factor: mutation found in the genes. Example= BRCA1 or BRCA2 gene
Radiation Therapy and Chemotherapy Both disrupt cell division.