Exploring Chromatin: Its Role in the Cell, Its Relationship to Cancer, and How It’s Inherited Forward arrow iconAn arrowing pointing forward, usually indicating forward movement, or the ability the share something via social media. Close iconAn icon showing an uppercase letter "X", indicating that this will close the current element. Share Facebook iconAn icon representing the Facebook social media site. Twitter iconAn icon representing the Twitter social media site. LinkedIn iconAn icon representing the social media service LinkedIn. Printer iconAn icon showing a printer, indicating the ability to print the associated media. Print Video38:00Molecular Biologist Iestyn Whitehouse discusses how the structure of chromatin – a combination of DNA and proteins in a cell’s nucleus – is used to regulate fundamental biological processes.