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Because viruses can not reproduce or produce protein without a host cell
What else can I help you with?
Why viruses are considered as parasites?
They are obligate paracites.They cannot multiply without another living cell
What is the difference between obligate and facultative parasites?
Obligate parasites require a host to complete their life cycle and cannot survive without one. Facultative parasites can live either independently or as parasites depending on the environment and conditions.
Why does viruses have parasites?
viruses are considered parasites (obligate parasites) because they cannot exist on their own. they need the host cell's machinery to reproduce so they cannot "survive" (technically not living) outside the cell.
Does a cytosol have bacteria?
Yes they do. Cytosol is the matrix within which all the cellular mechanisms occur. There is no organism as such that does not have the cytosol. Viruses obviously do not have a cytosol because they are not organisms. Viruses are obligate parasites which can multiply only within a particular host.
Do viruses produce their own food?
No, viruses do not produce their own food. They are obligate intracellular parasites that rely on host cells to replicate and generate new virus particles. Viruses lack the machinery necessary for carrying out metabolic processes like producing food.
What are characteristics of viruses?
viruses are obligate intracellular entities and are considered to be acellular
Can parasites cause viruses?
Parasites can carry and transmit viruses, but they do not "cause" them.
Is the rhinovirus an obligate anaerobe?
Hello! The rhinovirus, which is known to cause the common cold in humans, is not an obligate anaerobe. Viruses in general really don't mind if the host they are infecting is an anaerobe or not, and they don't have the organelles and specialised proteins and enzymes required for cellular respiration. However, viruses are obligate intracellular parasites, i.e., they have to infect a highly capable host to reproduce many copies of themselves. Hope this response helped you! 😃
Why are viruses difficult to culture?
Because viruses need a live host in order to reproduce. Viruses are obligate intracellular parasites. Therefore, they cannot reproduce outside their host cell, and therefore die out. They are diffcult to culture because you need something living in order to culture them in, and see the progress.
What group includes some members that can carry out photosynthesis bacteria or a viruses?
Bacteria such as cyanobacteria are able to carry out photosynthesis, while viruses lack the cellular machinery to perform photosynthesis. Viruses are obligate intracellular parasites that require a host cell to replicate and do not possess the cellular machinery needed for photosynthesis.
What type of microbe is not a cell or made up of cells?
Viruses are not cells and are not made up of cells. They are considered obligate intracellular parasites, meaning they can only replicate inside the cells of a host organism.
Why are viruses although considered to be nonliving frequently referred to as parasites?
Viruses are often referred to as parasites because they depend entirely on a host cell to replicate and carry out their life processes, similar to how parasites rely on a host for survival and reproduction. Unlike living organisms, viruses lack the cellular machinery and metabolic functions necessary for independent life, making them obligate parasites. They invade host cells, hijacking their machinery to produce new viral particles, which can lead to disease in the host. This parasitic behavior underscores their reliance on living organisms for their existence.
