Ncert Exercises & Solutions

Select the correct statement about G₁ phase

1. cell is metabolically inactive

2. DNA in the cell does not replicate

3. it is not a phase of synthesis of macromolecules

4. cell stops growing

(b) G₁ phase means gap 1 phase. It is the interval between mitosis and initiation of DNA replication. The cell is metabolically active and continuously grows but does not replicate the DNA content The cell also synthesizes proteins that are required for DNA replication.

Rest of the options are not characteristics of G₁ phase.

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