Download or read book Chemistry, Life, the Universe and Everything written by Melanie Cooper and published by . This book was released on 2014-06-27 with total page 218 pages. Available in PDF, EPUB and Kindle. Book excerpt: As you can see, this "molecular formula is not very informative, it tells us little or nothing about their structure, and suggests that all proteins are similar, which is confusing since they carry out so many different roles.