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S phase

American  

noun

Cell Biology.
  1. the period of the cell cycle prior to mitosis, during which the chromosomes are replicated.


Etymology

Origin of S phase

First recorded in 1940–45

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

DNA replicates in the S phase of interphase.

From Textbooks • Jun. 9, 2022

As a cell is exposed to more stress, higher levels of p53 and p21 accumulate, making it less likely that the cell will move into the S phase.

From Textbooks • Jun. 9, 2022

While all cells will be exposed to BrdU, BrdU will only be incorporated into the DNA of newly generated cells that are in S phase.

From Textbooks • Jun. 9, 2022

Completing the S phase of the cell cycle at night provided a selective advantage.

From Textbooks • Jun. 9, 2022

In the S phase, the DNA of the chromosomes is replicated.

From Textbooks • Apr. 25, 2013

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