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What is a membrane envelope?

Updated: 8/10/2023
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16y ago

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All viruses lack cell membranes but some animal viruses have a membrane similar in composition to a cytoplasmic membrane surrounding their capsids called an envelope. This is a membrane envelope. Viruses that have envelopes are called enveloped virion, without the envelope they are called a nonenveloped or naked virion. The envelope is composed of a phospholipid bilayer and proteins such as glycoproteins.

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16y ago
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13y ago

The two membranes (outer and inner) make up the outer wall called the envelope

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Q: What is a membrane envelope?
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