Unit 6 Biology

Programmed cell death

A substance that is directly involved in causing cancer

The process of cancer cell breaking away and spreading to other areas of the body

When there is a mutation of the cell cycle resulting in uncontrolled cell division forming malignant tumors

Tumors that are noncancerous; a mass that doesn't invade and destroy healthy tissue

_____ checkpoint occurs before mitosis; checks to see if all chromosomes were duplicated correctly

____ checkpoint occurs before S phase; checks to see if cell is correct size and has enough energy and nutrients to continue

_____ checkpoint occurs during mitosis at the end of metaphase to ensure all sister chromatids are adequately attached to the single fibers,