The lysis of the cells is the first step to extract nuclear acid.
细胞壁的裂解是提取核酸的第一步。
During the acid wash step, chemical contact is usually sufficient.
在酸洗过程中，化学试剂的接触通常式充分的。
In this step also the acid moiety was methylated to give the ester.
在这一步，也是酸基元是甲基给予酯。
In this step also the acid moiety was methylated to give the ester.
在这一步，也是酸基元是甲基给予酯。
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