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A cell is alive.

A protein is definitely not alive.

A virus - well, that depends on who you ask.

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15y ago

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Is a virus bigger than a prokaryote?

Viruses are typically composed of RNA surrounded by a capsid (protein shell). This would mean by definition that the virus molecule, which is technically considered nonliving, is larger than a protein strand (because the capsid is made of protein).


Why virus a particle?

A virus is an obligate intracellular parasitic acellular microorganism, consisting of protein coat and nucleic acid DNA or RNA and may be enveloped or not. It is a particle that is not defined as being alive, that goes inside you and attacks your cells, and inserts their DNA into your cell, so that your cell makes more of the virus instead of making more of itself. If you mean in computers, its when malicious code is running in your computer and doing damage. Just like a biological virus, computer viruses alter existing code and produce more copies of itself. But it is just computer code and not anything that is alive. If you have this, you should run antivirus software or get help from a computer professional.


What virus is made up of only one protein?

Hepatitis B virus is made up of only one protein called the core protein, which forms the viral capsid.


What is the genetic molecule of a virus?

Either DNA, or RNA, depending on the virus.


What does a typical virus cell look like?

A virus is not considered a cell because it lacks cellular structures like a nucleus or organelles. Instead, a virus typically consists of genetic material (DNA or RNA) surrounded by a protein coat called a capsid. Some viruses may also have an outer lipid envelope.