Q. Prothrombinase is formed in the presence of
A) $Ca^{2 +}$
B) $Mg^{2 +}$
C) $Fe^{2 +}$
D) $Fe^{3 +}$
Explanation
$Ca^{2 +}$. By the traumatised cell at the place of injury [image:18_image30.emf]
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.