All Cancers Reflect,at the Most General Level,a Defect In

Question

All cancers reflect,at the most general level,a defect in
A) DNA replication.
B) the formation of mitochondria.
C) cell membrane structure.
D) the cell's ability to extract energy from nutrients.
E) the cell cycle.

Accepted Answer

All cancers involve abnormalities in the cell cycle, which controls the orderly progression of cell division and growth. This can include changes in the timing and regulation of cell division, failure to undergo programmed cell death (apoptosis), or uncontrolled growth and proliferation of cells. While other factors such as DNA replication and energy metabolism may contribute to cancer development, they are not as fundamental to the disease process as alterations in the cell cycle.