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Outer layer of a virus is called a capsid. It is the shell of protein which protects the nucleic acid, the brain of a virus. Capsid is composed of individual morphological units called capsomers.

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9y ago
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9y ago

Normally it is called capsid that covers the nucleic acid (genome) of the virus. But in human viruses, we can see an outer membrane that can interact to cell receptors to access the entry of cell. capsid are made of proteins.

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12y ago

You might want to be more specific. The function is to protect the virus' DNA. If you are asking what the protein is, then it depends on the virus.

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15y ago

protein, often called the protein jacket.

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12y ago

capsid

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Wiki User

9y ago

capsid.

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14y ago

The capsid.

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12y ago

a capsid

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Anonymous

Lvl 1
3y ago

ggh

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Q: What is the outer layer of a virus composed of?
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