Cell Biology 06: The Cytoskeleton Part II: Tubulin. These are notes from lecture 6 of Harvard Extensionâs Cell Biology course. Last week we covered microfilaments, which are made of actin. This week: microtubules, made of tubulin. Why, you ask, does the cytoskeleton need two separate systems? Consider that microfilaments are just chains of individual subunits, whereas microtubules are literally tubes (as weâll see shortly) â hollow cylinders with walls made of chains made of dimers.
Animals (Nickelback song) Animals is a song recorded by Canadian rock band Nickelback. It was released in November 2005 as the second single from their fifth studio album, All the Right Reasons. The song was played at the 2011 Tribute to the Troops.
Ellen DeGeneres admitted that she almost didn't come out back in the '90s out of fear of how her fans would react. Times sure have changed. When Ellen DeGeneres came out as a gay woman back in 1997, she was one of the first to break the Hollywood mold.