BIOLOGICAL CLASSIFICATION
VIRUSES
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Which one is NOT true for a virus
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Has a protein coat called a capsid
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Has both DNA and RNA
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Is specific to a certain type or group of organisms
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Needs a host in order to reproduce
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Explanation:
Detailed explanation-1: -Viruses are smaller and simpler in construction than unicellular microorganisms, and they contain only one type of nucleic acid-either DNA or RNA-never both.
Detailed explanation-2: -Leuko virus is a retrovirus also called as RNA-DNA virus.
Detailed explanation-3: -Final Answer: Viruses do not infect bacteria, fungi and algae is not the correct statement.
Detailed explanation-4: -Also RNA and DNA need to be protected by proteins, but the same proteins can not efficiently pack and protect RNA and DNA. To have both means the virus needs a lot more genes, it is bigger, without any real advantage.
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