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.
Hormones. Chemistry of Hormones. Hormones are long-distance chemical signals that are secreted by the cells to the extracellular fluid and regulate the metabolic functions of other cells. Most hormones are amino acid based, but gonadal and adrenocortical hormones are steroids, derived from cholesterol.