O2 is the electron acceptor at the end of the electron transport chain.
Correct answer: D). They take nutrients needed by healthy cells, and as they grow they interfere with the function of normal cells and organs.
Cancer is uncontrolled growth of the cell in the body. The Old cell does not die and instead of that, they have grown out of control, which results in the formation of new abnormal cells. These may form a mass of tissue called a tumor.
Due to uncontrolled growth of a cell, the normal function of neighboring tissue or organ may be disturbed or it might damage vital organ such as kidney, heart, lung etc and may cause death.
Nucleus!! is where the dna is at. Which controls the cells activities through out our body