High AFFINITY ANTIBODY - Antibodies with a high affinity for antigen. HAPTEN - A low molecular weight substance that alone can react with its corresponding antibody. They help improve each aerobic and bulk amino acids supplier anaerobic efficiency by reducing the manufacturing of lactate, a substance the body creates in response to strenuous exercise. GENETIC ENGINEERING - A technique used to change the genetic information in a living cell, reprogramming it for a desired goal (such because the production of a substance it would not naturally produce).