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.
Michigan's Adventure does not close due to poor weather. On rainy days, some rides may close for safety reasons, and will be re-opened as soon as safely possible. If lightning is overhead, all rides will close until the lightning passes.