Question:

In the somatic cell cycle

Updated On: Oct 12, 2023

DNA replication takes place in S-phase
A short interphase is followed by a long mitotic phase
G₂ phase follows mitotic phase
In G₁ phase DNA content is double the amount of DNA present in the original cell

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Solution and Explanation

The somatic cell cycle pertains to the cell cycle occurring in non-reproductive cells. This cycle encompasses just two main phases: interphase and the M phase. Interphase, in turn, includes three distinct stages: G1 phase, S phase, and G2 phase. During the S phase, DNA replication occurs, priming the cell for the upcoming division process.

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Concepts Used:

Cells

A device that converts chemical energy into electrical energy is called an electric cell. To an electric circuit, the battery provides the constant electromotive force.
Each cell comprises 2 half cells which are connected in series by a conductive electrolyte containing anions and cations:
- One-half cell is made up of electrolyte and a negative electrode called an anion.
- The other half cell is made up of electrolytes and a positive electrode called a cathode.
Redox reactions take place simultaneously.
While charging, cations are reduced at the cathode, and anions are oxidized at the anode.
Electrodes do not join each other as they are electrically connected by the electrolyte.