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.
The first incarnation of the ride appeared in Tomorrowland at Disneyland in 1987, replacing the previous attraction, Adventure Thru Inner Space. Star Tours at Disneyland closed on July 27, 2010 to allow for its sequel, Star ToursâThe Adventures Continue.