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.
View PowerPoint Template. Explain the purpose of the nucleus in eukaryotic cells. 1  The nucleus contains the cell's DNA and directs the synthesis of ribosomes and proteins.  Found within the nucleoplasm, the nucleolus is a condensed region of chromatin where ribosome synthesis occurs.