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Why are bacteria called as a single envelope system?

Updated 6 months ago

In prokaryotes, the DNA is essentially "enveloped" from the external environment by one membrane: the plasma membrane of the prokaryote.Here there is no nuclear membrane. In eukaryotes, the DNA is "enveloped" from the external environment by two membranes, thus organizing the cell into two main compartments. The first membrane would be the nuclear membrane, also known as the nuclear envelope, which is composed of two phospholipid bilayers.

Updated 6 months ago

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