There is transition relief that allows an employer to choose a 12 month Measurement Period for future years, but a one-time six month Measurement Period from July 1, 2013 through December 31, 2013. This will be particularly handy for plans utilizing a calendar year.
There are two major chemical classes of hormones, peptides (proteins) and steroid hormones. Protein based hormones can be divided into three categories: proteins, peptides and amines. Their differences are essential with their size and what they are synthesized from. Peptides are compounds that consist of two or more amino acids; proteins are compounds that consist of 50 or more amino acids; amines are synthesized from the amino acid tyrosine.
1 Hormones are chemicals that are secreted into the blood by endocrine glands. 2  The chemical classes of hormones include amines, polypeptides, glycoproteins and steroids. 3  Nonpolar hormones, which can pass through the cell membrane of their target cells, are called lipophilic hormones.