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Viruses have a particular character that they need a living host to survive or they cannot otherwise live. Generally viruses have a capsid which has its viral RNA enclosed in it. Capsid is covered by thick membrane.

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14y ago
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12y ago

Two structures that EVERY virus has is Genetic material (DNA) and protein coat .

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Q: What are the two main structures of a virus?
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What are the two main structures of chloroplasts?

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What three main structures do viruses have?

Viruses are composed of two main parts: an outer protein covering called a capsid and an inside core of either DNA or RNA. Not both DNA and RNA.Some of these have an envelope over the capsid. The ones that do not are said to be naked. The proteins in the capsid allow the virus to attach to the "docking stations" proteins of the host cell.The naked viruses are more resistant to changes in the environment.A virus can have one of three structures. These are:Helical virus. A helical virus is rod- or thread-shaped. The virus that causes rabies is a helical virus.Icosahedral virus. An icosahedral virus is spherically shaped. Viruses that cause poliomyelitis and herpes simplex are icosahedral viruses.Polyhedral virus.


What three main structures do all viruses have?

Viruses are composed of two main parts: an outer protein covering called a capsid and an inside core of either DNA or RNA. Not both DNA and RNA.Some of these have an envelope over the capsid. The ones that do not are said to be naked. The proteins in the capsid allow the virus to attach to the "docking stations" proteins of the host cell.The naked viruses are more resistant to changes in the environment.A virus can have one of three structures. These are:Helical virus. A helical virus is rod- or thread-shaped. The virus that causes rabies is a helical virus.Icosahedral virus. An icosahedral virus is spherically shaped. Viruses that cause poliomyelitis and herpes simplex are icosahedral viruses.Polyhedral virus.


What is the general shape of viruses?

A virus can have one of two structures. These are: •Helical virus. A helical virus is rod- or thread-shaped. The virus that causes rabies is a helical virus. •Icosahedral virus. An icosahedral virus is spherically shaped. Viruses that cause poliomyelitis and herpes simplex are icosahedral viruses.


Are viruses classified by their shape?

A virus can have one of two structures. These are: •Helical virus. A helical virus is rod- or thread-shaped. The virus that causes rabies is a helical virus. •Icosahedral virus. An icosahedral virus is spherically shaped. Viruses that cause poliomyelitis and herpes simplex are icosahedral viruses.


What are two dangers associated with tornadoes?

The two main dangers are collapsing structures and flying debris as a result of extreme winds.


What structures are a part of a virus?

protein coat and the nucleus acid


What are two structures that make up the central nervous system?

The main structures of the central nervous system are the brain and the spinal cord.


What is lacking in a virus which makes it dependant on a living cell?

Cellular structures.


What are the main types of unti-virus?

Unti virus of a computer


When the two main substances that make up a virus are broken into smaller fragments these fragments are?

The two main substances that make up a virus are nucleic acid (DNA or RNA) and protein. When these substances are broken into smaller fragments, the nucleic acid fragments are called nucleotides, and the protein fragments are called amino acids.


When the two main substances that make up a virus are broken into smaller fragments these fragments are what?

Amino acids and nucleotides