- A The stage of active division mainly
- B The phase between divisions (G1, S, G2)
- C Mainly the G1 stage
- D Mainly DNA synthesis
Correct answer: B. The phase between divisions (G1, S, G2)
Explanation: Interphase (G1 + S + G2) is the longest phase. Cell grows, copies DNA, and prepares for division.
Concept context
Mitosis and meiosis: how cells divide for growth, repair, and reproduction.