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 longest ride at Walt Disney World is the Carousel of Progress, which clocks in at 20 minutes and 45 seconds. The shortest is the Barnstormer, a small roller coaster for children, which is just one minute and three seconds, according to WDW Info, a Disney travel planning site.