各位前輩好
想請問一個文法one of which/ one of them
看到一個句子寫說
"All cells contain thousands of enzymes, one of _________ will
result in browning in the cell if it is exposed to oxygen.
畫底線空格要填which，請問這邊要怎麼解釋文法?
感謝

which是關係代名詞代替enzymes 因為只有一個所以是 oneof which 不能用 one of them 除非寫成兩句

當前後可獨立成句時 中間就不能用逗號了 改.:;