Murray County, Oklahoma genealogy and family history research page. Guide to genealogy, history, and courthouse sources including birth records, marriage records, death records, census records, wills, deeds and land records, Civil War records, family histories, cemeteries, churches, tax records, newspapers, and obituaries. Contents.
Side Bonds of the Cortex. The middle layer of the hair, the cortex, is made up of millions of polypeptide chains cross-linked with each other by three different types of side bonds. The bonds that link up the polypeptide chains of the hair are hydrogen, salt and disulfide bonds.Hydrogen bonds account for one-third of the hair's strength. The hydrogen bond is a weak physical side bond that is easily broken by water or heat.Hydrogen bonds can be reformed by drying or cooling the hair. These bonds are very abundant in the hair. Salt bonds are also weak physical side bonds that can easily broken by weak alkaline or acid solutions and changes in pH.here are various elements found in the hair and they are used to make amino acids, keratin, melanin, and protein. The average compostion of normal hair is composed of 45.2 % carbon, 27.9% oxygen, 6.6% hydrogen, 15.1% nitrogen and 5.2a% sulphur. The keratin found in hair is called hard keratin.
Confidence votes 23. Hydrogen Bonds are the bonds that hold the complimentary bases together. G to C and A to T. However the bonds that hold the nucleotides together on each side of the double helix are called Phosphodiester bonds or linkages. Hydrogen bonding. DNA base pairs are held together by Hydrogen Bonds. Adenine and Thymine have 2 bonds that hold them together while Cysteine and Guanine have 3 bonds that hold them toge â¦ ther. The hydrogen bonds generally occur between a Nitrogen and a carbonyl oxygen.