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Questions and Answers
What is the host range of viruses?
What is the host range of viruses?
Host range refers to the range of species that a virus can infect.
Define obligate intracellular parasites.
Define obligate intracellular parasites.
Obligate intracellular parasites are organisms that must infect a cellular host in order to survive and reproduce.
What is the role of virions in the viral life cycle?
What is the role of virions in the viral life cycle?
Virions are new virus particles that transport the viral genome to another host cell for another round of infection.
Explain the difference between mechanical transmission and biological transmission of viruses by vectors.
Explain the difference between mechanical transmission and biological transmission of viruses by vectors.
What are bacteriophages and how are they different from other viruses?
What are bacteriophages and how are they different from other viruses?
How do viruses cause varying effects on host cells?
How do viruses cause varying effects on host cells?
What prevented the filterable component causing tobacco mosaic disease (TMD) from being seen with light microscopes?
What prevented the filterable component causing tobacco mosaic disease (TMD) from being seen with light microscopes?
What was the pore size of the Porcelain Chamberland filters used by Dmitri Ivanovski?
What was the pore size of the Porcelain Chamberland filters used by Dmitri Ivanovski?
Initially, what was thought to be the source of tobacco mosaic disease (TMD) before the discovery of the filterable component?
Initially, what was thought to be the source of tobacco mosaic disease (TMD) before the discovery of the filterable component?
According to Ivanovski's conclusion, what could be causing tobacco mosaic disease (TMD)?
According to Ivanovski's conclusion, what could be causing tobacco mosaic disease (TMD)?
Who eventually concluded that the causative agent of tobacco mosaic disease (TMD) was not a bacterium but a toxin?
Who eventually concluded that the causative agent of tobacco mosaic disease (TMD) was not a bacterium but a toxin?
What word, meaning poison in Latin, was used to describe the cause of tobacco mosaic disease (TMD) after Ivanovski’s initial discovery?
What word, meaning poison in Latin, was used to describe the cause of tobacco mosaic disease (TMD) after Ivanovski’s initial discovery?
