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Viruses

QuestionAnswer
What is the definition of a virus? (O__ I___ B___ P___) Obligate intracellular biotrophic parasite
What do all viruses contain? A protein coat (Capsid) and a nucleic acid
What is another name for the protein coat of a virus? Capsid
What are the subunits of the capsid called? Capsomeres
What part of the virus is antigenic? Capsid/envelope
What is the classification of viruses, where proteins cover the exposed surfaces of the nucleic acid? (RNA) Helices
What is the classification of viruses where the DNA or RNA is surrounded by a protein structure? Polyhedrons
What shape is formed in polyhedron viruses? Icosahedron
What is an example of complex viruses? (T2) Bacteriophage
Attachment, penetration and release do not occur in plant viruses. What do they then rely on? Vectors
When the genetic material is incorporated into the genome in the lysogenic cycle, what is it the resulting chromosome called? Prophage
What is the process of incorporating new DNA into a host cell genome? Transduction
What is the release of the viral chromosome called? Induction
When does the induction occur? Only in harsh environments
What enzyme do retroviruses contain? Reverse transcriptase
What is so special about retroviruses? They make dsDNA from ssRNA, and incorporate this newly formed DNA into the host genome
Created by: Jake_Bark
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