NURSING EXAM QUESTIONS
MICROBIOLOGY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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A capsid is
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a structure that directly causes cell lysis
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the type of virus that attacks bacteria
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the genetic material of a virus
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the protein coat of a virus
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Explanation:
Detailed explanation-1: -A capsid is the protein shell of a virus, enclosing its genetic material. It consists of several oligomeric (repeating) structural subunits made of protein called protomers. The observable 3-dimensional morphological subunits, which may or may not correspond to individual proteins, are called capsomeres.
Detailed explanation-2: -The capsid enclosing nucleic acid is referred to as nucleocapsid, which can be considered as an infectious and functional virus. Envelope-In some viruses, the nucleocapsid is covered with another layer of proteins and fats called as glycoproteins.
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