NURSING EXAM QUESTIONS
MICROBIOLOGY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Which of the following characteristics is shared by viruses and living cells? Both viruses and living cells-
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have a nucleus, as well as a cell wall.
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contain nucleic acids such as DNA or RNA.
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can replicate independently of a host cell.
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use organelles to perform life functions.
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Explanation:
Detailed explanation-1: -Viruses and cells have one structure in common, nucleic acids.
Detailed explanation-2: -Viruses have several common characteristics: they are small, have DNA or RNA genomes, and are obligate intracellular parasites. The virus capsid functions to protect the nucleic acid from the environment, and some viruses surround their capsid with a membrane envelope.
Detailed explanation-3: -Viruses are infectious agents with both living and nonliving characteristics. Living characteristics of viruses include the ability to reproduce – but only in living host cells – and the ability to mutate.
There is 1 question to complete.