D/B virus and virold
Answers
Answer:
Hepatitis D is a disease caused by the hepatitis delta virus (HDV), a small spherical enveloped virusoid.[3] This is one of five known hepatitis viruses: A, B, C, D, and E. HDV is considered to be a subviral satellitebecause it can propagate only in the presence of the hepatitis B virus (HBV).[4] Transmission of HDV can occur either via simultaneous infection with HBV (coinfection) or superimposed on chronic hepatitis B or hepatitis B carrier state (superinfection).
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Answer: Viruses (Virus particles or virions) are usually units consisting of nucleic acids and coat proteins called capsids. Viroids consist only of RNA, i.e. they contain no protein at all.
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