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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.

See Examples For:

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

During interphase, G1 involves cell growth and protein synthesis, the S phase involves DNA replication and the replication of the centrosome, and G2 involves further growth and protein synthesis.

From Textbooks ● Apr. 25, 2013

A cell that does not meet all the requirements will not be released into the S phase.

From Textbooks ● Apr. 25, 2013

In some species, cells enter a brief interphase, or interkinesis, that lacks an S phase, before entering meiosis II. Chromosomes are not duplicated during interkinesis.

From Textbooks ● Apr. 25, 2013

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