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  1. 10 ώρες πριν · DNA methylation is a biological process by which methyl groups are added to the DNA molecule. Methylation can change the activity of a DNA segment without changing the sequence. When located in a gene promoter, DNA methylation typically acts to repress gene transcription. In mammals, DNA methylation is essential for normal development and is associated with a number of key processes including ...

  2. 10 ώρες πριν · A blog about outdoor activities and variety of my life

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