正常存在 meaning in English

normal presence

I call it normal . what is wrong with being , knowing and acting effortlessly and happily
我称之为正常存在、知性、行动无为愉悦地可有错误？
M : i call it normal . what is wrong with being , knowing and acting effortlessly and happily
我称之为正常存在、知性、行动无为愉悦地可有错误？
There exist two prion protein forms , the pathological form , prpsc ( sc stands for scrapie ) , and normal cellular form , prpc ( c stands for cellular ) . these two proteins have the same amino acid se quence , the only difference lies in conformation
研究得知朊蛋白有两种形式，一种为致病形式( prpsc ， sc是瘙痒症的缩写) ，另一种为组织内正常存在的细胞形式( prpc ， c是细胞型的缩写) ，这两种蛋白在一级结构的氨基酸序列相同，仅构象有不同。