Archaean cell walls lack murein, a common component of bacterial cell walls, and their lipids have ether links rather than ester links.
古胞壁缺乏胞壁组成普-胞壁,其连接是醚连接而不是酯连接。
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When you see it now in the middle of the chain like this it's either an ether or an ester, either ester or ether, ether or ester, either one, one or the other, either ether or ester.
当你现在在链的中间到它时, 它要醚, 要,要,要醚,要醚,要,要一种,要另一种, 要醚,要。
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