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viruses    音标拼音: [v'ɑɪrəsəz] [v'ɑɪrəsɪz]
病毒

病毒


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英文字典中文字典相关资料:


  • Virus - Wikipedia
    Viruses infect all life forms, from animals and plants to microorganisms, including bacteria and archaea [2] [3] Viruses are found in almost every ecosystem on Earth and are the most numerous type of biological entity
  • Viruses: Definition, Types, Characteristics Facts - Cleveland Clinic
    Viruses are small germs that have to infect a host — like humans, animals, plants — to reproduce Learn more about types of viruses and how they work
  • Virus | Definition, Structure, Facts | Britannica
    Virus, infectious agent of small size and simple composition that can multiply only in living cells of animals, plants, or bacteria Viruses possess unique infective properties and thus often cause disease in host organisms Learn about the history, types, and features of viruses
  • Viruses: What are they, and what do they do? - Medical News Today
    Viruses are biological entities that can only thrive and multiply in a host, which is a living organism such as a human, an animal, or a plant Some viruses cause disease For example, severe
  • Viruses: What They Are, Symptoms, Treatment, Prevention - Verywell Health
    Viruses are too small to see with our eyes but can make us sick They come in many types and are very common Learn the symptoms of viruses and how to treat and prevent them
  • Viruses - National Geographic Society
    Viruses are microscopic biological agents that invade living hosts and infect their bodies by reproducing within their cell tissue Viruses are tiny infectious agents that rely on living cells to multiply They may use an animal, plant, or bacteria host to survive and reproduce
  • Viruses: Structure, Replication, and Diseases - ThoughtCo
    Viruses are not cells but non-living, infectious particles They are capable of causing a number of diseases, including cancer, in various different types of organisms Viral pathogens not only infect humans and animals, but also plants, bacteria, protists, and archaeans
  • Virus - Definition, Structure, Classification, Examples | Biology . . .
    A virus is a chain of nucleic acids (DNA or RNA) which lives in a host cell, uses parts of the cellular machinery to reproduce, and releases the replicated nucleic acid chains to infect more cells A virus is often housed in a protein coat or protein envelope, a protective covering which allows the virus to survive between hosts
  • What is a Virus? - News-Medical. net
    A virus is the smallest type of parasite to exist and is typically within the size range of 0 02 to 0 3 micrometers (μm) in size; however, some viruses can be as large as 1 μm
  • What is a Virus? - BYJUS
    In a nutshell, a virus is a non-cellular, infectious entity made up of genetic material and protein that can invade and reproduce only within the living cells of bacteria, plants and animals For instance, a virus cannot replicate itself outside the host cell This is because viruses lack the required cellular machinery





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