Question

An antibody molecule is represented by the formula H2L2. What does this signify?

• A. Two Hydrogen and two Lithium atoms
• B. Two Hemoglobin and two Leukocyte chains
• C. Two Heavy chains and two Light chains
• D. Two Helical and two Linear chains

Answer 1

Answer:

C. Two Heavy chains and two Light chains

• Every antibody molecule consists of four polypeptide chains: two small "light" chains and two longer "heavy" chains, hence the formula H2L2.