|The process which involves the binding of methyl group to the substrate is known as Methylation. This process involves enzymes and occurs in modifications of metals, DNA expression, RNA processing, Protein function and many other biological activities. Peer review refers to the work done during the screening of submitted manuscripts and funding applications. This process encourages authors to meet the accepted standards of their discipline and reduces the dissemination of irrelevant findings, unwarranted claims, unacceptable interpretations, and personal views. Publications that have not undergone peer review are likely to be regarded with suspicion by academic scholars and professionals.