B因子溶血活性测定中,在缓冲液中加入EGTA是为了螯合反应体系中的
A Mg<img border="0" alt="" src="https://tuku.weimei168.com/uploads/upimg/20241207/8085520_0.gif"> B
Ca<img border="0" alt="" src="https://tuku.weimei168.com/uploads/upimg/20241207/8085520_0_1.gif"> C
Zn<img border="0" alt="" src="https://tuku.weimei168.com/uploads/upimg/20241207/8085520_0_2.gif"> D
Fe<img border="0" alt="" src="https://tuku.weimei168.com/uploads/upimg/20241207/8085520_0_3.gif"> E
P<img border="0" alt="" src="https://tuku.weimei168.com/uploads/upimg/20241207/8085520_0_4.gif">