Nucleus human cells except sperm

A cross section of a nuclear pore on the surface of the nuclear envelope 1. Journal of Cellular Biochemistry. The nucleus provides a site for genetic transcription that is nucleus human cells except sperm from the location of translation in the cytoplasm, allowing levels of gene regulation that are not available to prokaryotes. At high concentrations of fructosephosphatea molecule made later from glucosephosphate, a regulator protein removes hexokinase to the nucleus, [53] where it forms a transcriptional repressor complex with nuclear proteins to reduce the expression of genes involved in glycolysis.

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Cell nucleus

In most cases where a cytoplasmic process needs to be restricted, a key participant is removed to the nucleus, where it interacts with transcription factors to downregulate the production of certain enzymes in the pathway. Retrieved 6 March A cross section of a nuclear pore on the surface of the nuclear envelope 1.

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The three main modifications are 5' capping3' polyadenylationand RNA splicing. Molecular Biology of the Gene 5th ed. This phenomenon is demonstrated during the cell cycle.

Nucleus human cells except sperm
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