When curious kids find their way into regular liquid laundry detergent, the result is often nothing worse than an upset stomach. Laundry deteregent pods are presenting more serious symptoms. Along with vomiting, lethargy, and delirium, some victims have stopped breathing. Eye injuries are another common hazard.
Histones are proteins that allow DNA to be tightly packaged into units called nucleosomes. The DNA wraps itself around the histones. Chromatin is made of DNA and proteins (Histones). Chromatin is used to give structure to a chromosome.
Back to Top. 1  In eukarytoic cells, chromosomes are composed of single molecule of DNA with many copies of five types of histones. 2  Histones are proteins molecules and are rich in lysine and arginine residues, they are positively charged. Hence they bind tightly to the negatively-charged phosphates in the DNA sequence.