1. Which of these does not represent a mechanism for control of protein activity?
a.) a non-competitive inhibitor
b.) an allosteric effector
c.) phosphorylation of cysteine
d.) a competitive inhibitor
e.) none of the above
2. Which of the following does not describe hemoglobin?
a.) It binds less tightly to oxygen thanmyoglobin.
b.) It is a multi-subunit protein with four heme groupsfor oxygen binding.
c.) 2,3-bisphosphoglycerate increases its affinity foroxygen.
d.) Maternal hemoglobin has a lower affinity for oxygenthan fetal hemoglobin.
e.) none of the above.