KOMPAS.com – The virus is a microscopic infectious agent that contains genetic material, either DNA or RNA, and attacks a host to reproduce.
Viruses are known to cause disease because they have triggered widespread epidemics of disease and death throughout human history.
While such viruses are clearly a threat, other such viruses have served as research tools that have helped further understand basic cellular processes, such as the mechanisms of protein synthesis and the viruses themselves.
Reported from Learning Resources Ministry of Education and Culture, viral body structure different from the cells of other living organisms.
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The virus body is not a cell because it does not have a cell wall, cell membrane, cytoplasm, cell nucleus, or other cell organelles.
Viruses are particles called virions. In addition to their very small body size, viruses have properties like inanimate objects because they consist of particles that can be crystallized.
Viruses only show the properties of living things, such as reproducing, if they are in the cells of other living organisms.
For example, a T-shaped bacteriophage virus has body parts, namely the head, neck, and tail.
On the head to the tail there is a capsid, tail sheath, and nucleic acid on the inside.
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The protein shell that surrounds the viral genome is called the capsid. Capsid and tail sheath is the outer sheath of the virus which is composed of many protein subunits called capsomeres.
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