a) Respiration
b) Blood coagulation
c) Digestion
d) Excretion
SSC CHSL-2015
Blood coagulation.
The 'Christmas factor'(Factor IX) is one of the serine proteases of the coagulation system; whose deficiency was first discovered in the 1950s in a little boy by the name of Stephen Christmas. Deficiency of this protein causes hemophilia B
PSC Question Bank
0 Comments