Protein comes from the Greek word proteios, meaning "primary" or "holding the first place." A Dutch chemist Gerard Johann Mulder, coined the word protein in 1838. Proteins are made from chains of amino acids.
Explanation: This is an opening salutation of a formal business letter. Place a colon after the end of the salutation, not a semicolon. A comma is used only after an opening salutation in an e-mail.
