Biotin-Avidin can bind up to four molecules of biotin simultaneously with a high degree of affinity and specificity. Avidin is a tetrameric or dimeric biotin-binding protein produced in the oviducts of birds, reptiles and amphibians and deposited in the whites of their eggs.he natural function of avidin in eggs is not known, although it has been postulated to be made in the oviduct as a bacterial growth-inhibitor, by binding biotin the bacteria need.
Cheers Beacon Hill. From Wikipedia, the free encyclopedia. Cheers Beacon Hill is a bar/restaurant located on Beacon Street in the Beacon Hill neighborhood of Boston, Massachusetts, across from the Boston Public Garden.
For other uses, see Cheers (disambiguation). Cheers is an American sitcom that ran on NBC from September 30, 1982 to May 20, 1993, with a total of 270 half-hour episodes spanning over eleven seasons. The show was produced by Charles/Burrows/Charles Productions in association with Paramount Network Television.