Hey, can u take a nother pictuer I can't see very well, and what questions do u want help with?
but the question 39 the answer is B and question 47 I think its C
I believe that the answer is D
Answer:
hemoglobin, hemoglobin carries oxygen in the blood and it is made up of four subunits, two each of the α and β types.
Explanation:
I think it’s A or c but I’m not so sure