Question

How is a cancerous cell different from a normal cell?

Answer 1

Cancer cells are cells that divide aggressively forming solid tumors, or spilling the blood with abnormal cells. Cell division is a natural procedure used by the body for growth and repair. Healthy cells end dividing when there is no longer a need for more daughter cells, on the other hand, cancer cells proceed to produce copies.

Complete answer:
Cancer is a complicated genetic disease that results in specific changes to the genes in one cell or group of cells. These modifications disrupt normal cell function especially affecting how a cell grows and divides. In contrast to normal cells, cancer cells don't stop growing and dividing, this disorderly cell growth results in the arrangement of a tumor. Cancer cells have additional genetic changes correlated to normal cells still, not all changes cause cancer. The genetic changes that contribute to cancer usually affect three specific types of genes which are proto-oncogenes, tumor suppressor genes, and DNA repair genes.

There are many variations between cancer cells and normal cells. Some of the differences are well known.
Growth-
-Normal cells end dividing when enough cells are present. Whereas cancer cells don’t quit growing when there are sufficient cells present. This constant growth often results in a tumor.
Adhesion-
-Cancer cells don’t interact with surrounding cells as normal cells do. Normal cells respond to signals sent from other available cells.
Repairing of cells-
-Normal cells are either fixed up or undergo apoptosis when they are damaged or aged. Cancer cells are either not fixed up or do not undergo apoptosis.
-Ability to Metastasize which means cells easily spread to other areas.
Normal cells live in the area of the body where they belong. Whereas cancer cells may lack the bonding molecules that cause stickiness and can separate and travel via the bloodstream and lymphatic system to other areas of the body simply saying they can metastasize.
-Maturation
Normal cells are mature. Cancer cells grow rapidly and divide before cells are fully mature and remain immature.
-Functioning
Normal cells fulfill the function they are meant to perform a particular function whereas cancer cells may not be functional.
-Blood Supply
Angiogenesis is the method by which cells attract blood vessels to grow and feed the tissue. Cancer cells undergo angiogenesis even when growth is not vital.
These are some important points to understand the difference between normal cells and cancerous cells.

Note: Cancer cells develop and split up at an abnormally unexpected rate, are poorly differentiated, and have abnormal membranes, cytoskeletal proteins, and morphology. The anomaly in cells can be developed with slow growth from normal cells to benign tumors to malignant tumors.