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.
Walt Disney stands by a plan of Disneyland and chats with an imagineer circa 1954. (Credit: Earl Theisen/Getty Images) To the disappointment of many children, some of the parkâs attractions werenât ready to operate on opening day. The Rocket to the Moon, Peter Pan and Dumbo the Flying Elephant rides were all closed.