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.
Nick.com is a website owned and developed by Nickelodeon, launched in October 1995. The website serves mainly as an online portal for Nickelodeon content, and offers online games, video streaming, radio streaming and individual websites for each show it broadcasts.