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Asked Sep 23, 2019
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The protein covering the central nucleic acid core of a virus. Protein coat of the HIV virus.

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Expert Answer

Step 1

All the viruses are composed of a nucleic acid genome, sheath, a protein capsid, a tail fiber and a basal plate.

Step 2

All viruses contains nucleo-capsid region which is composed of:

  1. Nucleic acid:

Nucleic acid (genetic material) could be either DNA or RNA in a virus.

  1. A protein capsid layer:

The genetic material or genome of a virus is covered by a protein covering. It is known as a protein capsid. It is made up of several (protomers) oligomeric structural subunits.

The protein coat protects the viral...

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Structure of a virus , Nucelic acid Nucleo-capsid -Capsid Sheath tail fiber Baseplate

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