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Viruses need to complete protein synthesis and DNA replication to reproduce and propagate their genetic material. Once inside a host cell, they hijack the host's cellular machinery to produce viral proteins and replicate their genomes, enabling the assembly of new viral particles. This process is essential for the virus to infect new cells and ensure its survival and transmission. Without these steps, a virus cannot generate new virions and ultimately fails to sustain its lifecycle.
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What are two activities that are characteristic of cell but not of viruses?
Cell division and protein synthesis are activities that are characteristic of cells but not viruses. Cells can undergo mitosis or meiosis to reproduce, while viruses rely on host cells to replicate. Cells contain the machinery for protein synthesis, while viruses hijack the host cell's machinery for their own replication.
What inhibits viral replication?
Various antiviral drugs can inhibit viral replication by targeting different stages of the viral life cycle, such as attachment and entry, replication of viral genetic material, protein synthesis, and release of new virions. Additionally, the body's immune response, including interferons and antibodies, can also inhibit viral replication by neutralizing viruses and promoting their clearance.
Why is not important function of the cytoskeleton?
Viruses have some, but not all, of the characteristics of living things.
Why is protein synthesis important for cells and viruses?
Protein synthesis is important for viruses because the virus forces the host cell to make proteins that the cell does not need, but the virus does to repoduce. Protein synthesis is important for cells because the proteins are essential for all cellular activites.
Do viruses have organization?
Viruses do contain genetic material and a protein coat, but they lack the cellular structure found in living organisms. They are considered to be organized structures, but they are not considered to be living organisms due to their dependency on host cells for replication.
What are two activities that are characteristic of cell but not of viruses?
Cell division and protein synthesis are activities that are characteristic of cells but not viruses. Cells can undergo mitosis or meiosis to reproduce, while viruses rely on host cells to replicate. Cells contain the machinery for protein synthesis, while viruses hijack the host cell's machinery for their own replication.
What inhibits viral replication?
Various antiviral drugs can inhibit viral replication by targeting different stages of the viral life cycle, such as attachment and entry, replication of viral genetic material, protein synthesis, and release of new virions. Additionally, the body's immune response, including interferons and antibodies, can also inhibit viral replication by neutralizing viruses and promoting their clearance.
Why is not important function of the cytoskeleton?
Viruses have some, but not all, of the characteristics of living things.
What is are not involved in the reproduction of all viruses A. attachment and penetration b. Replication and synthesis c.release d. assembly e. Latency?
E. Latency is not involved in the reproduction of all viruses. While many viruses may enter a latent phase where they remain inactive within a host, not all viruses undergo latency as part of their reproductive cycle. The other options—attachment and penetration, replication and synthesis, release, and assembly—are essential steps in the viral life cycle for most viruses.
Why is protein synthesis important for cells and viruses?
Protein synthesis is important for viruses because the virus forces the host cell to make proteins that the cell does not need, but the virus does to repoduce. Protein synthesis is important for cells because the proteins are essential for all cellular activites.
Viruses must rely on the -- for reproduction?
host cell (and its machinery for protein synthesis, and it's enzymes for the metabolic processes required)
Why antibiotics don't damage eukaryotic cell or viruses?
Antibiotics primarily target specific bacterial structures or functions, such as cell wall synthesis, protein synthesis, or DNA replication, which are absent in eukaryotic cells. Eukaryotic cells have different ribosomal structures and metabolic pathways that are not affected by the mechanisms of action of antibiotics. Additionally, viruses lack cellular structures and metabolic processes altogether, making them immune to antibiotics, which are designed to target living cells. Thus, antibiotics are effective against bacteria but do not harm eukaryotic cells or viruses.
Why don and rsquot antibiotics work on viruses?
Antibiotics target specific bacterial structures and functions, such as cell walls and protein synthesis, which are absent in viruses. Viruses lack the cellular machinery to replicate independently and instead hijack host cells to reproduce. Consequently, antibiotics are ineffective against viral infections, which require antiviral medications that specifically disrupt viral replication processes. This distinction is crucial for appropriate treatment choices.
What are the two methods of viruses replication?
The only way viruses can replicate is by parasitizing living cells and using the cell's mechanisms to replicate their genetic materials and protein components.
Why do viruses depend in host cells?
Viruses are composed of protein and DNA. The DNA encodes the protein as well as the DNA for the virus. Viruses depend on host cells because they are incapable of reproducing themselves. They enter the host cell and the viral DNA is inserted into the host DNA. The virus then "hijacks" the host cells replication machinery to make more viral protein and viral DNA.
Viroids differ from viruses by what?
Viroids differ from viruses in that they are composed of a single-stranded circular RNA without a protein coat, while viruses have genetic material made of DNA or RNA enclosed in a protein coat. Viroids also do not encode proteins, relying on host enzymes for replication, whereas viruses typically encode proteins that contribute to their replication.
Why can't viruses be treated with antibioticts?
Antibiotics work in ways that would not effect a virus. For example some antibiotics work on the cell wall of the organism. Others block protein synthesis by binding ribosomes. Viruses are merely nucleic acid (RNA and or DNA) and protein. That means antibiotics are ineffective on viruses.
