If the actual cost is higher than the fixed cost, the cost variance is unfavorable. For example, your standard fixed overhead cost is $3 per unit. If your actual fixed overhead cost is $4 per unit, you have an unfavorable variance of $1.
The major histocompatibility complex and its functions. The function of MHC molecules is to bind peptide fragments derived from pathogens and display them on the cell surface for recognition by the appropriate T cells.
It serves many vital functions, like production of bile (the fluid substance that helps in fat digestion), production of albumin (a protein present in blood plasma), and more importantly, the detoxification of chemicals and drugs that pass through the body. Hepatotoxins are toxic substance that can damage the liver.