What is the normal albumin/globulin ratio in human blood?

Antigens are present

$A$ person with an unknown blood group under the $ABO$ system has suffered significant blood loss in an accident and requires an immediate blood transfusion. $A$ friend,who has a valid certificate of their own blood type,offers to donate blood without delay. What would be the blood group of the donor friend?

An abnormal rise in the number of $R.B.C.$ is called:

Antigens are found on the …………….

Lymphocytes are: