Question

Do viruses have a protein coat?

Answer 1

Viruses are relatively little germs that cause harm to the host on which they live. The DNA's genetic content is protected by a protein coat that also serves as a membrane. They reproduce by relying on any form of host, regardless of whether its genetic material is DNA or RNA.
The virus's protein coat is the virus's most outer layer. It safeguards the virus's genetic material. Protomers are oligomeric (repeating) structural subunits that make up the protein coat.

Complete answer:
Yes, viruses contain capsids, which are protein covers that safeguard their genetic content. The capsid is also wrapped by an envelope, which is a lipid bilayer coat.
The capsid refers to a virus's exterior protein coat. It is made up of numerous oligomeric structural subunits formed of a protein called protomers, which cover the virus's nucleic acid and protect it when the virus enters the host. The capsid proteins also assist the virus in attaching to and penetrating host cells, allowing it to infect the host.
Capsomeres are the capsid's three-dimensional morphological subunits (protein coat). Capsids are classified into limited categories based on their morphology.
The capsid structure of many viruses is either helical or icosahedral.
Some viruses are enveloped, which means that a capsid is enclosed in a lipid membrane known as the viral envelope.
The capsid obtains the envelope from the virus-internal host's membrane; examples include the inner nuclear membrane, the Golgi membrane, and the cell's outer membrane.
After the virus has invaded a cell and begun to replicate itself, new capsid components are generated using the cell's protein manufacturing mechanism.

Note:
The capsid's roles are to protect the genome, deliver the genome, and communicate with the host.
To shield the genome from harmful chemical and physical agents, the virus must create a sturdy, protective protein shell. Natural radiation, pH or temperature extremes, and proteolytic and nucleolytic enzymes are all examples.