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.
Which Disneyland and Disney California Adventure rides and attractions are closed March 2015. If you are visiting the Disney parks in Anaheim in March then you will want to know which rides are scheduled to be closed during your visit.