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Biology Question 114 – NEET-UG 2023

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Among eukaryotes, replication of DNA takes place in -

The cell cycle is divided into interphase and M phase, with interphase further subdivided into G1, S, and G2 phases.

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Ninja Strategy•Cell Cycle Event Mapping

Directly recall the specific events associated with each phase of the cell cycle, particularly DNA synthesis.

Step 1: Understand the Cell Cycle✦ Active

The cell cycle is an ordered series of events involving cell growth and cell division. It consists of two main phases: Interphase and M phase (Mitotic phase).

Step 2: Identify Interphase Sub-phases○ Expand

Interphase is further divided into three sub-phases: G1 phase (Gap 1), S phase (Synthesis), and G2 phase (Gap 2).

Step 3: Locate DNA Replication○ Expand

During the S phase, DNA synthesis or replication takes place. This is when the amount of DNA per cell doubles, ensuring that each daughter cell receives a complete set of chromosomes after cell division.

💡 Teacher's Secret Hint

Remember that the 'S' in S phase stands for 'Synthesis' of DNA.

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