who divided cell cycle in four stages i e g1 s g2 and m

Releted Question 1

Some dividing cells exit the cell cycle and enter vegetative inactive stage. This is called quiescent stage $$\left( {{G_0}} \right).$$ This process occurs at the end of

A. $${{G_1}}$$ phase

B. $$S$$ phase

C. $${{G_2}}$$ phase

D. $$M$$ phase

Releted Question 2

A. Reorganisation of all cell components takes place

B. Cell is metabolically active, grows but does not replicate its DNA

C. Nuclear Division takes place

D. DNA synthesis or replication takes place

Releted Question 3

A. exit the cell cycle

B. enter the cell cycle

C. suspend the cell cycle

D. terminate the cell cycle

Releted Question 4

A. $$M \to {G_1} \to {G_2} \to S$$

B. $${G_1} \to {G_2} \to S \to M$$

C. $$S \to {G_1} \to {G_2} \to M$$

D. $${G_1} \to S \to {G_2} \to M$$