This resistance is not the result of altered receptors, but comes from the ability of proteins in their blood serum to neutralize the effects of venom.
这种抗性并不是受体变化的结果，而是松鼠血清里蛋白质的作用，它们能抵消毒液的影响。
2
The analysis can be performed by examining serum or urinary proteins by immunoelectrophoresis.
可用免疫电泳方法进行血清或尿中蛋白的分析。
3
Untreated serum contains a set of 11 proteins called complement.