In a sense, they're two separate strands of actin that intertwine together, similar to a braided rope or a twisty tie. There are two completely separate strands that twist together to form a thicker, larger strand. As stated before, microfilaments made of actin, which is the most abundant protein in a cell. According to the National Center for Biotechnology Information, actin is the most prevalent in protein-to-protein interactions.
On November 2, 2009, a Canadian version of Nickelodeon was launched, in partnership between Viacom and Corus Entertainment (owners of YTV, which for years has aired and will continue to air Nickelodeon's series); as a result, versions of Nickelodeon now exist in most of North America.
On August 1, 1981, the world was introduced to Music Television. After airing a numerical countdown, MTV began with the words Ladies and gentleman, rock and roll.. In the decades since, MTV has made the transition from music videos to TRL to The Hills to Catfish, and it's now more of a home for reality television than for music's latest visuals. In celebration of the launch of MTV, take a trip down memory lane with the first ten videos that MTV aired below.