Melanoma is a type of which cancer?

Several genes $........$ called have been identified in normal cells which when activated will turn into $........$ under certain conditions could lead to cancerous transformation of cells $:-$ Complete the above paragraph by selecting the correct sequence of words.

Leukemia originates in the .........

What type of cancer is cancer of the spleen?

Cancer cells are more easily damaged by radiation than normal cells because they have:

Cancer cells are more easily damaged by radiation than normal cells because they are