Which of the following is a nonenveloped DNA virus?

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Study for the NBEO Microbiology exam. Prepare with flashcards and multiple choice questions, each with hints and explanations. Get ready for your exam!

Multiple Choice

Which of the following is a nonenveloped DNA virus?

Explanation:
Nonenveloped viruses lack a lipid envelope around their capsid, so their outer shell is just protein. This makes them more stable in the environment and more resistant to drying and to disinfectants that target lipid membranes. Among these, the nonenveloped DNA virus is Adenovirus. The other two DNA viruses listed are enveloped: Cytomegalovirus and HSV-1 are herpesviruses with a lipid envelope, and Hepatitis B is enveloped as well, belonging to the Hepadnaviridae family.

Nonenveloped viruses lack a lipid envelope around their capsid, so their outer shell is just protein. This makes them more stable in the environment and more resistant to drying and to disinfectants that target lipid membranes. Among these, the nonenveloped DNA virus is Adenovirus. The other two DNA viruses listed are enveloped: Cytomegalovirus and HSV-1 are herpesviruses with a lipid envelope, and Hepatitis B is enveloped as well, belonging to the Hepadnaviridae family.

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