What are the characteristics of the most common biological agents? a. Viruses are the simplest forms of life, made up of genetic material and a pro...
What are the characteristics of the most common biological agents?
a. Viruses are the simplest forms of life, made up of genetic material and a protein coat. They are obligate parasites and need a host to reproduce. Bacteria are more complex organisms than viruses and can live without a host in a suitable environment. Protozoa are unicellular organisms, some of which are parasites of vertebrates. Fungi are complex life forms that have a vegetative structure called mycelium. Helminths are multicellular organisms with complex life cycles.
b. Viruses are complex organisms that can live without a host in a suitable environment. Bacteria are the simplest forms of life, made up of genetic material and a protein coat. Protozoa are multicellular organisms with complex life cycles. Fungi are unicellular organisms, some of which are parasites of vertebrates. Helminths are complex life forms that have a vegetative structure called mycelium.
c. Viruses are unicellular organisms, some of which are parasites of vertebrates. Bacteria are complex life forms that have a vegetative structure called mycelium. Protozoa are the simplest forms of life, made up of genetic material and a protein coat. Fungi are multicellular organisms with complex life cycles. Helminths are obligate parasites and need a host to reproduce.
a. Viruses are the simplest forms of life, made up of genetic material and a protein coat. They are obligate parasites and need a host to reproduce. Bacteria are more complex organisms than viruses and can live without a host in a suitable environment. Protozoa are unicellular organisms, some of which are parasites of vertebrates. Fungi are complex life forms that have a vegetative structure called mycelium. Helminths are multicellular organisms with complex life cycles.
b. Viruses are complex organisms that can live without a host in a suitable environment. Bacteria are the simplest forms of life, made up of genetic material and a protein coat. Protozoa are multicellular organisms with complex life cycles. Fungi are unicellular organisms, some of which are parasites of vertebrates. Helminths are complex life forms that have a vegetative structure called mycelium.
c. Viruses are unicellular organisms, some of which are parasites of vertebrates. Bacteria are complex life forms that have a vegetative structure called mycelium. Protozoa are the simplest forms of life, made up of genetic material and a protein coat. Fungi are multicellular organisms with complex life cycles. Helminths are obligate parasites and need a host to reproduce.
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A alternativa correta é a letra A: "Os vírus são as formas mais simples de vida, compostos por material genético e uma capa de proteína. Eles são parasitas obrigatórios e precisam de um hospedeiro para se reproduzir. As bactérias são organismos mais complexos do que os vírus e podem viver sem um hospedeiro em um ambiente adequado. Os protozoários são organismos unicelulares, alguns dos quais são parasitas de vertebrados. Os fungos são formas de vida complexas que possuem uma estrutura vegetativa chamada micélio. Os helmintos são organismos multicelulares com ciclos de vida complexos."
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