Respuesta :
Answer:
In multicellular organisms, which begin their life with an egg or zygote cell, mitotic cell division is important in the development and maintenance of the various tissues, organs and systems that form it. The new cells caused by mitosis are genetically identical to the stem cell; This is achieved thanks to complex regulatory mechanisms that ensure the integrity of the genomic material and its proper segregation.
Explanation:
Segurine is important because it is responsible for keeping sequestered protease separase; when it is released, thanks to the degradation of segurin, the degradation of the cohesin that holds the sister chromatids together takes place. This cohesin allows chromosomal segregation, while degradation of cyclin results in the inactivation of CDK1 (cyclin dependent kinase).
When the alignment of the chromosomes does not satisfy the SAC (spindle assembly control point), the signal from non-anchored kinetocores induces protein recruitment to the control point. This signal leads to the formation of two independent complexes. The union of the two complexes will lead to the formation of a mitotic control complex. In this way, the segurin will not be marked for degradation and the separase will not be released and the chromosomes will not secrete until the requirements of the SAC are met.
"Cell cycle" is described as the sequence of actions that occurs in a cell when it progresses and splits into other cells.
The way in which the cells advance over the control points and the pursuit of enzymes like separase which is managed by the communications amongst the two key groups of regulatory proteins would be as follows:
- The reaction or the sequential action signals that the distinct combinations framed with the two proteins namely; "Cyclines," as well as, "Cyclin-Dependent Kinase" are employed for comprising compounds.
- These varying combinations or blends formed with the two kinds of proteins in the compounds function to prompt the cells to shift to various phases of the cell cycle.
Learn more about 'Cell Cycle' here:
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