Which statement about virus structure is CORRECT? The virus particle has a recep
ID: 82244 • Letter: W
Question
Which statement about virus structure is CORRECT? The virus particle has a receptor used for binding to the host cell. The multi-shelled capsid of rotavirus helps it survive the mucous lining of the respiratory tract. The envelope of influenza virus is derived by budding through the plasma membrane of the cell The genome of some viruses can be +ve (or plus) sense RNA, meaning it is complementary to messenger RNA. Which statement about viral pathogenesis is CORRECT? The main route of entry of viruses into the body is via the skin. Some viruses can travel around the body within cells. Viremia is the spread of virus via the lymphatics. Newborns are more susceptible to viral immunopathology. Which statement is about the control of virus infection is CORRECT? Some viral infections can be halted by antibodies that block the receptor-binding site on the Virus Cytotoxic T cells are important in lysis of the virus to decrease infection. Most antivirals are broad spectrum, active against many different virus types. The drug acyclovir acts against the viral neuraminidase. Which statement about poliovirus genome and replication is CORRECT? The genome is complementary to mRNA. The genome can be replicated prior to any viral protein production. A polyprotein is translated and cut into individual proteins by host proteases. A polyprotein is translated and cut into individual proteins by autocleavage.Explanation / Answer
27. Option C. The lipid layer of influenza virus is derived from the plasma membrane of the cell.
Why Other options are wrong.
A. Virus particles do not have a receptor
B. Rotavirus infects small intestine and not respiratory tract.
D. Sense RNA is similar to mRNA and not Complementary.
28. Option C.
29. Option B.
Why Other options are wrong
Antibodies cannot control virus
Most antivirals are specific in nature
Acyclovir interfere with DNA replication
30. Option D.
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