This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Biochemistry
2,3-BPG binds to sit, itaemogitiniti and the affinit\es gen 
Select and explain. 
A. 4, decreases, B. 1, decreases, C. 4, increases, D. 1, increases
B: 1, decreases
Answer: B: 1, decreases 
Explanation: Ans. b. 1, decreases