Question

The lack of enzyme adenosine deaminase is responsible for the disease_________

• A. Cystic fibrosis (CF)
• B. Severe combined immunodeficiency (SCID)
• C. Colour blindness
• D. Haemophilia

Answer 1

The correct option is B

Severe combined immunodeficiency (SCID)

The enzyme adenosine deaminase is very important for the normal functioning of the immune system. In the absence of the enzyme, a type of lymphocytes cannot develop properly and the patient suffers from severe combined immunodeficiency (SCID).