Who divided the cell cycle into four phases (i.e., $G_1$, $S$, $G_2$, and $M$)?

Chromatin fibres duplication,Genetic material-$4C$,Histone protein synthesis,Membranous organelle duplication,$DNA$ replication,centriole duplication. How many of the above features are associated with the synthesis $(S)$ phase of the cell cycle?

Which phase of the cell cycle is also known as the resting phase?

In which phase does the cell prepare for division?

Choose the correct sentence regarding the cell cycle.

It is said that one cycle of cell division in human cells (eukaryotic cells) takes $24$ hours. Which phase of the cycle do you think occupies the maximum part of the cell cycle?