主要是经过两次低速离心，一次蔗糖梯度超速离心，即可得到一定纯度的细胞膜。
A fairly pure preparation can be obtained through two runs of low-speed centrifugation and a single run of high-speed centrifugation in sucrose gradient.
主要是经过两次低速离心，一次蔗糖梯度超速离心，即可得到一定纯度的细胞膜。
A fairly pure preparation can be obtained through two runs of low-speed centrifugation and a single run of high-speed centrifugation in sucrose gradient.
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