What occurs during the S phase of the cell cycle?
Understand the Problem
The question is asking about the events that take place during the S phase of the cell cycle, specifically what happens in terms of DNA synthesis and cellular processes.
Answer
DNA replication and centrosome duplication occur in the S phase.
During the S phase of the cell cycle, DNA replication occurs. The cell synthesizes a complete copy of its DNA in the nucleus and duplicates the centrosome.
Answer for screen readers
During the S phase of the cell cycle, DNA replication occurs. The cell synthesizes a complete copy of its DNA in the nucleus and duplicates the centrosome.
More Information
The 'S' in S phase stands for 'Synthesis' due to DNA synthesis taking place. It is a critical step because accurate replication and repair ensure genetic information is maintained through cell division.
Tips
A common mistake is confusing the S phase with other cell cycle phases or associating it solely with DNA synthesis. Remember, it also involves centrosome duplication.
Sources
- What Occurs in the S-Phase: Explanation and Review - Albert.io - albert.io
- Phases of the cell cycle (article) | Khan Academy - khanacademy.org
- S phase - Wikipedia - en.wikipedia.org
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