Question

Describe the chemical regulation system that governs the cell cycle both in terms of internal and external signals and the consequences of failure of this control system.Compare M phase activities if the cell were undergoing mitosis compared with meiosis.

Answer 1

Answer:

External factors include physical and chemical signals. Growth factors are proteins that stimulate cell division. – Most mammal cells form a single layer in a culture dish and stop dividing once they touch other cells. Two of the most important internal factors are kinases and cyclins.