CBSE · Class 11 · Biology · Cell Cycle and Cell DivisionWhich phase of the cell cycle is characterized by DNA replication?
Step-by-Step Solution
The Synthesis phase (S phase) of interphase is characterized by DNA replication and synthesis of histone proteins, where the amount of DNA per cell doubles while the chromosome number remains the same.
Detailed Options Breakdown
Option : G1 phase
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Cell Cycle and Cell Division.
Option 1: S phase (Correct Answer)
Correct choice. Refer to the step-by-step verified solution guidelines above for details.
Option 2: G2 phase
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Cell Cycle and Cell Division.
Option 3: M phase
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Cell Cycle and Cell Division.
💡 Study Guide: This question tests core syllabus concepts from Cell Cycle and Cell Division. For formulas, key summaries, and mock exam reference guides, read the full Cell Cycle and Cell Division Revision Notes.