Question 1
Hemoglobin has a total of ________ protein chains in its quaternary structure.
◦ one
◦ two
◦ three
◦ four
◦ five
Question 2
In sickle-cell anemia, the hemoglobin molecules ________.
◦ dissolve in the plasma
◦ undergo crenation
◦ come apart into separate chains
◦ enlarge to twice normal size
◦ clump together into insoluble fibers