Despite the variety of their physiological function and differences in physical properties--silk is a flexible fiber, horn a tough rigid solid, and the enzyme pepsin water soluble crystals--proteins are sufficiently similar in molecular structure to warrant treating them as a single chemical family.
Disney's 'Tower of Terror' Closing to Make Way for New 'Guardians of the Galaxy' Ride. Looks like another Disney attraction is joining its sizable graveyard of defunct rides.
Disney World Ride Closures & Refurbishments in January 2016. 1  We will update this section as more information is released. 2  Disney's Caribbean Beach Resort - Old Port Royale Food Court, Shutters restaurant, Cabana Pool Bar & the Calypso Trading Post will be closed from May 1, 2017 to June 18, 2018.