Can you give me the answers for #2 and 3 in the picture below

What molecules does hemoglobin decay into over time

Blood stem cells may develop into any kind of human blood cells. what kind of stem cells are blood stem cells? a. multipotent stem cells o b. totipotent stem cells o c. pluripotent stem cells o d. unipotent stem cells

True or false multiple lane changes must be done individually going through the same procedures for each lane change