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Can someone help me with this, Given below is a schematic break-up of the phases/ stages of cell cycle:Which one of the following is the correct indication of the stage/phase in the cell cycle?

Given below is a schematic break-up of the phases/ stages of cell cycle:

Which one of the following is the correct indication of the stage/phase in the cell cycle?

  • Option 1)

    C: Karyokinesis

  • Option 2)

    D: Synthetic phase

  • Option 3)

    A: Cytokinesis

  • Option 4)

    B: Metaphase

 
Answers (1)
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Phases of Interphase: S Phase (Synthesis) -

Marks the period during which DNA synthesis or replication takes place. During this time, the amount of DNA per cell doubles, but number of chromosomes remain same.

- wherein

During this time, the amount of DNA per cell doubles, but a number of chromosomes remain same.

 

 Cell cycle completes in two steps- Interphase and M-phase. Interphase is completed in three successive stages G1-phase (post-mitotic phase), S-phase (synthetic phase) and G2-phase (pre-mitotic or post-synthetic phase). In the given figure, D is representing the S-phase (synthetic phase) of cell cycle. 


Option 1)

C: Karyokinesis

Incorrect

Option 2)

D: Synthetic phase

Correct

Option 3)

A: Cytokinesis

Incorrect

Option 4)

B: Metaphase

Incorrect

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