what is the difference between a virus and a virion?
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If it is found extracellular, the virus is called a virion. A virion contains a protein coating called a capsid, which surrounds the core of the virus containing the nucleic acid (either DNA or RNA). ... Although viruses lack cell membrane, some viruses have a viral membrane surrounding its capsid.
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What is the difference between a hidden virus and an active virus? * An active virus takes over the cell functions immediately after entering the cell. *A hidden virus becomes part of the genetic material and stays inactive for a while (sometimes years). ... Viruses destroy their host cells.
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A virion is an entire virus particle consisting of an outer protein shell called a capsid and an inner core of nucleic acid (either ribonucleic or deoxyribonucleic acid—RNA or DNA). The core confers infectivity, and the capsid provides specificity to the virus.
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Medical Definition of Virus Virus: A microorganism that is smaller than a bacterium that cannot grow or reproduce apart from a living cell. A virus invades living cells and uses their chemical machinery to keep itself alive and to replicate itself. ... Viruses may contain either DNA or RNA as their genetic material.
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The main difference between bacteria and virus is that bacteria are living cells, reproducing independently and viruses are nonliving particles, requiring a host cell for their replication. Bacteria are prokaryotes found in most habitats on the Earth. They are unicellular microorganisms.
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Viruses are only "active" within host cells which they need to reproduce, while bacteria are single-celled organisms that produce their own energy and can reproduce on their own. Bacteria serve many vital roles in nature outside of being infectious.
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Virus vs Worm The primary difference between a virus and a worm is that viruses must be triggered by the activation of their host; whereas worms are stand-alone malicious programs that can self-replicate and propagate independently as soon as they have breached the system.
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Viruses are considered to be nonliving. ... Viruses resemble organisms because they can multiply. They are different because they are not alive: they are not cells, they do not use their own energy to grow or respond to their surroundings.
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Because they can't reproduce by themselves (without a host), viruses are not considered living. Nor do viruses have cells: they're very small, much smaller than the cells of living things, and are basically just packages of nucleic acid and protein.
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Most notably, viruses differ from living organisms in that they cannot generate ATP. ... Because of these limitations, viruses can replicate only within a living host cell. Therefore, viruses are obligate intracellular parasites. According to a stringent definition of life, they are nonliving.
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Viral particles outside a host cell (so called virions) are inert entities with a genome surrounded by a protective coat. Viruses that attack bacteria were named 'bacteriophages'. The term phage originates from Greek phagein, which translates as 'to eat'.
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While there some advanced viruses that seem fancy, viruses don't have any of the parts you would normally think of when you think of a cell. They have no nuclei, mitochondria, or ribosomes. Some viruses do not even have cytoplasm. We've already established what viruses aren't.
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Viruses resemble organisms because they can multiply. They are different because they are not alive: they are not cells, they do not use their own energy to grow or respond to their surroundings.
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Lesson Summary Cells are the basic units of life. Cells can exist by themselves, like bacteria, or as part of a larger organism, like our cells. Viruses are non-living infectious particles, much smaller than a cell, and need a living host to reproduce. The genetic material of the cell is DNA, a double stranded helix.
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Viruses are even smaller than bacteria and require living hosts — such as people, plants or animals — to multiply. Otherwise, they can't survive. When a virus enters your body, it invades some of your cells and takes over the cell machinery, redirecting it to produce the virus.
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#5 What is the difference between a virulent virus and a lysogenic virus? A virulent virus is the ability of a virus to affect cells and lysogenic virus is the process in which a virus remains latent in cells but spreads by becoming part of the host cell genome. Factors may then trigger these viruses to become lytic.
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Viral Infections Viruses are very tiny germs. They are made of genetic material inside of a protein coating. Viruses cause familiar infectious diseases such as the common cold, flu and warts. They also cause severe illnesses such as HIV/AIDS, smallpox, and Ebola. Viruses are like hijackers.