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.
Big Thunder Mountain Railroad to Close January 7 for Refurbishment at Disneyland Park. In the normal course of a Disney Parks attractionâs lifespan, there are periods of time when it is necessary to close for a major refurbishment.