Onion poultices are time tested herbal remedies and treatments for chest congestion and other symptoms of colds and flu. A poultice is simple and easy to make. The onion poultice is a powerful home remedy you can use for your whole family.
Lesson Summary. Chromatin is the special complex of DNA and protein that condenses the genome so that it can be packed into the tiny nucleus. First, DNA is wrapped around histone proteins. Then, a group of histones comes together to form a nucleosome. Finally, the string of nucleosome beads is coiled to condense the DNA even further.
1 Chromatin-Chromatin are composed of proteins and DNA. 2  They organize into chromosomes prior to the cell dividing. 3  Pore-The pores are small channels through the nuclear envelope. 4  They allow for smaller molecules to pass through such as messenger RNA molecules, but keep larger DNA molecules inside the nucleus.