组成人体蛋白质的基本氨基酸中唯一的亚氨基酸是(填三字符号)
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某一生物样品中蛋白质的含氮量为2.5mg,此蛋白质样品中蛋白含量为()mg。
Companies can fight crime using ___________________________ .___________________________ is the act of gaining money by deceit.
It looked like Karen’s signature, but it was a _________________________ .The store has security guards to watch for _________________________ .
Falsification, lying, or any other ___________________will get you red.B If the inventory is short, it’s possible someone was___________________ .