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19 Nov 2019
Virions are envelope viruses a. true b. false All viruses are obligate intracellular parasites a. true b. false Viruses cannot be cultured in living cells, only in artificial media a. true b. false Viruses are classified based on: a. presence or absence of envelope b. shape of capsid c. host range d. all of the above viruses are visible through a a. fluorescent microscope b. dark-field microscope c. electron microscope d. light microscope Maturation of viral particles involve the a. recognition process between the virus and host cell, which results in virus attachment to the host cell b. entrance of the virion into the host cell c. infectious viral particles escape from the host cell d. assembly of viral parts into the whole intact detectable virions Viral propagation (multiplication) may be carried out a. in absence of host cells b. on artificial media c. within embryonic duck eggs d. in all of the above Which kingdom in the five kingdoms do bacteriophages belong? a. Monera b. fungi c. protists d. planta. e. none of the above Choose the incorrect statement, Viruses a. may contain either DNA or RNA as their genetic material b. have a protein coat called the capsid c. are obligate intracellular parasite d. may contain a cell wall The following statement is true for All viruses a. the protein coat is surrounded by an envelope b. A virus can, on rare instances, multiply in medium c. the viral genome is either RNA or DNA
Virions are envelope viruses a. true b. false All viruses are obligate intracellular parasites a. true b. false Viruses cannot be cultured in living cells, only in artificial media a. true b. false Viruses are classified based on: a. presence or absence of envelope b. shape of capsid c. host range d. all of the above viruses are visible through a a. fluorescent microscope b. dark-field microscope c. electron microscope d. light microscope Maturation of viral particles involve the a. recognition process between the virus and host cell, which results in virus attachment to the host cell b. entrance of the virion into the host cell c. infectious viral particles escape from the host cell d. assembly of viral parts into the whole intact detectable virions Viral propagation (multiplication) may be carried out a. in absence of host cells b. on artificial media c. within embryonic duck eggs d. in all of the above Which kingdom in the five kingdoms do bacteriophages belong? a. Monera b. fungi c. protists d. planta. e. none of the above Choose the incorrect statement, Viruses a. may contain either DNA or RNA as their genetic material b. have a protein coat called the capsid c. are obligate intracellular parasite d. may contain a cell wall The following statement is true for All viruses a. the protein coat is surrounded by an envelope b. A virus can, on rare instances, multiply in medium c. the viral genome is either RNA or DNA
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