Question

In which phase proteins for spindle fibre formation are synthesized?

• A. $G_1$-phase
• B. $G_2$-phase
• C. S - phase
• D. Anaphase

Answer 1

Answer: (B)

In $G_2$-phase of interphase stage of cell cycle, the proteins required for spindle formation are synthesized. In $G_1$-phase, enzymes required for protein and DNA synthesis are synthesized.
In S-phase, DNA replication process takes place.
In anaphase, chromosomes split longitudinally at the centromere.