Two sister chromatids are attached with

During the $G_2$-phase of the cell cycle,the amount of $DNA$ in the chromosomes is .......

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

The rate of cleavage is inversely proportional to the duration of

When a cell is to divide,it synthesizes various components,including genetic materials,during interphase. Choose the correct option regarding the synthesis of materials during interphase.

Given below are the two statements.
Statement $I$: Replication of $DNA$ occurs in the '$S$' phase of interphase in the cell cycle.
Statement $II$: Replication of $DNA$ takes place only once in the cell cycle.
In the light of above statements,choose the correct answer from the options given below: