On Christmas Day 1984, Greider found enzyme activity in a cell extract.

在1984年的圣诞节，Greider在一个细胞提取物中发现了酶的活性。

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The addition of protease inhibitors to the cell lysis buffer AIDS in the preservation of target proteins in the cell extract.

向细胞裂解液中加入蛋白酶抑制剂后可以保护细胞提取物中的靶蛋白。

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A loss of normal cellular control occurs during cell lysis, and endogenous proteases within the cell extract are free to degrade proteins in an uncontrolled manner.

当细胞被裂解提取全细胞提取物时，会发生正常的细胞调节缺失，并且细胞提取物中的内源性蛋白酶可以在失控的情况下使蛋白发生降解。

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That's not a test you'd want to try at home, because rather than extract a brain cell, you can always ask your parents when you were born but it did lead Frisen down some interesting paths.

NPR: How A-Bomb Testing Changed Our Trees

The fat was stored outside the cell walls, making it easier to extract without first killing the algae.

FORBES: Biofuel From Algae Could Compete With Oil, Report Says

He went through the pockets of his jacket looking for the cell phone that he had managed to extract from Riquelme, and called Morini.

NEWYORKER: ?lvaro Rousselot��s Journey