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Which one of the following steps occurs during the multiplication of animal viruses but not during the multiplication of bacteriophages?
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What is the part of the cell that viruses invade?
Viruses can infect animals, plants and bacteria, and the attachments vary. In animal viruses: Animal cells have a cell membrane. Viruses attach to certain proteins in that membrane. In plant viruses: Plants can also be infected with viruses. Since they have cell walls, viruses attach to those when infecting plants. In bacteriophages (viruses that infect bacteria): Special viruses called bacteriophages attach to the cell walls of bacteria by way of proteins.
What are some non examples of chlorophyll?
anything that is NOT Green.
List and describe the structural components of viruses?
Infectious particles consisting of nucleic acid encased in a protein coat and, in some cases, a membranous envelope. The smallest viruses are only 20 nm in diameter. The genome of viruses may consist of double-stranded DNA, single-stranded DNA, double-stranded RNA, or single-stranded RNA, depending on the kind of virus. Lack the enzymes for metabolism and the ribosomes for protein synthesis. Identify host cell (needed for reproduction) by a lock and key type system of outer proteins.
What isn't in the animal kingdom?
plants, fungi, bacteria, unicellular organisms
Why are cell walls not needed for animal cells?
every cell has a cell wall. It is needed for vital protection from viruses.
The event that occurs in bacteriophage multiplication that does not occur in animal virus replication is?
The event that occurs in bacteriophage multiplication that does not occur in animal virus replication is the injection of only the viral nucleic acid into the host cell. Viruses that infect bacteria are specifically called bacteriophages.
What is the part of the cell that viruses invade?
Viruses can infect animals, plants and bacteria, and the attachments vary. In animal viruses: Animal cells have a cell membrane. Viruses attach to certain proteins in that membrane. In plant viruses: Plants can also be infected with viruses. Since they have cell walls, viruses attach to those when infecting plants. In bacteriophages (viruses that infect bacteria): Special viruses called bacteriophages attach to the cell walls of bacteria by way of proteins.
What is the pathogen attacks specific cells and injects genetic materials?
Viruses attach specific cells and inject genetic material. There are viruses called bacteriophages that infect bacteria be injecting their genetic material into the bacterial host and invading their protein machinery. With animal viruses that infect animal cells (much larger than bacteria), the virus either injects genetic material OR gets into the cell whole before it begins to unleash its pathogenic effects
Is nucleic acid found in viruses?
Yes nucleic acid forund in viruses it can either be DNA e.g. bacteriophages which have single stranded DNA as S13, PHI 174. The another nucleic acid can be RNA e.g. TMV
What viruses are stable and why?
stable viruses are very symtom, for example influenza. and viruses that are not stable, they are like animal viruses...
What has the author Heinz Fraenkel-Conrat written?
Heinz Fraenkel-Conrat has written: 'Structure and assembly' -- subject(s): Morphology, Nucleic acids, RNA viruses, Viruses 'Descriptive catalogue of viruses' -- subject(s): Dictionaries, Viruses 'Reproduction: small and intermediate RNA viruses' -- subject(s): RNA viruses, Reproduction 'Newly characterized vertebrate viruses' -- subject(s): Diseases, Fishes, Vertebrates, Viruses 'Regulation and genetics, genetics of animal viruses' -- subject(s): Viral genetics 'Structure and assembly--primary, secondary, tertiary, and quaternary structures' -- subject(s): Morphology, Viruses 'Reproduction, bacterial DNA viruses' -- subject(s): Bacteriophages, DNA replication, DNA viruses, Reproduction, Virus Replication 'Comprehensive Virology (Physics of Atoms and Molecules)' 'Design and function at the threshold of life'
Do viruses have a place in the animal kingdom?
No, because viruses aren't alive.
How is the entrance of bacteriophages into their host cell different than the entrance of animal viruses into their host cell?
Bacteriophages enter a host cell by attaching to specific receptors on the surface of bacteria, including lipopolysaccharides, techoic acids, proteins, and flagella. For for a virus to infect a host cell, the cell must have receptors on its surface for the virus to attach to. The receptors are normal molecules involved in routine cellular function, but a portion of the surface of the virus resembles the chemical shape of the body's molecule that would normally bind to the receptor, allowing the binding of the virus to cell to happen.
What is the simpilist animal form?
bacteria or viruses
Does Animal Jam really spread viruses?
No
Does animal jam give viruses?
yeah they give
Are bees affected by bird flu virus?
No. Bees are not affected by animal and human viruses, and we are not affected by bee viruses.
