89.a-I antitrypsin produced in biotechnology is: A. An acid B. An enzyme C. Used to treat arthritis D. Used to treat emphysema
Option D. α-1 antitrypsin deficiency, an autosomal codominant hereditary disorder in which a deficiency of α-1 antitrypsin leads to a chronic uninhibited tissue breakdown. This causes the degradation especially of lung tissue and eventually leads to characteristic manifestations of pulmonary emphysema.