What regulates the timing of the cell cycle in eukaryotic cells?

The family of closely related proteins that regulate the cell cycle in eukaryotic cells is called cyclin. The progression of cells during regulation through the cell cycle is achieved using the activating cyclin-dependent kinase (Cdk) enzymes. The regulation is composed of interactions with cyclins and Cdk inhibitors (CKIs)

Cyclins regulates the timing of the cell cycle in eukaryotic cells.

Further Explanation:

The cell cycle refers to an ordered flow of events which includes cell growth as well as cellular division. This cycle produces 2 new daughter cells. The cycle starts with interphase in this the cell mature and replicates its own DNA or deoxyribonucleic acid. The interphase begins with:

The second stage of a cell cycle is the mitosis or M phase. Chromosomal abnormalities can occur during metaphase of meiosis. Mitotic phase refers to a multiphase process in this the chromosomes are aligned, segregated, and moved into the two new daughter cells which are identical to each other.

The cell cycle mainly is positively regulated by cyclin or cyclin dependent kinase. Cyclin are of different types such cyclin D, E, A, B. The timing of the cell cycle is related to the cyclin and CDK levels. The cyclin levels depends on the phase in which the cell is present. One type of cyclin degrades as the cell moves to the successive phases.

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Answer Details:

Grade: High School

Subject: Biology

Chapter: Cell Cycle

Keywords:

Mitosis, meiosis, cell division, anaphase, telophase, cytokinesis, prophase, metaphase, segregation, chromosome.  

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