Question

Hemoglobin is a quaternary protein

structure on a red blood cell involved in
oxygen transport. Hemoglobin A1 has two
a-chains and two ß-chains. Hemoglobin A2
has two a-chains and two & chains. In spite
of the structural differences, both
hemoglobin A1 and A2 perform the same
functions.
Which of the following statements explains
why both hemoglobin types perform the
same functions?

Answer 1

The amino acid sequences changed the alpha and beta chains because of molecular interaction.

Answer 2

hemoglobin binds to oxygen and releases it near cells that are performing cellular respiration