Biology question

It modifies the function of the DNA, typically acting to suppress gene transcription.

Thank you, why does gene transcription need to take place?

Protein synthesis

Please could someone explain the purpose of dna methylation? I’m trying to understand it and have searched all over google but it’s coming up with research papers which I don’t understand? I’m just looking for a simple explanation about its function and purpose? Thank you very much!

The control of gene expression This might be helpful. scroll to the bottom a bit to epigenetics

I clicked the link but it says the server can’t be found/

https://river-potato-a18.notion.site/8-The-control-of-gene-expression-dbbbc41a89184c5e8ce83f39209dbcc0?pvs=4 Does this one work?? if it does click on the little triangles to open each one.