|The transcription is the initial step of gene expression which involves the particular segment of DNA which is copied to RNA with the help of RNA Polymeraseenzyme. The band of DNA transcribed into RNA is called a transcription unit and encodes at least one gene. Scholarly peer review is the process of subjecting an author'sscholarlywork, research, or ideas to the scrutiny of others who are experts in the same field, before a paper describing this work is published in a journal. The work may be accepted, considered acceptable with revisions, or rejected. Peer review requires a community of experts in a given (narrowly defined) field, who are qualified and able to perform reasonably impartial review.