Which statement is wrong for viruses?
Correct answer: B. All of them have helical symmetry.
- A. All are parasites.
- B. All of them have helical symmetry.
- C. They don't have the ability to synthesise nucleic acids and proteins.
- D. Antibiotics have no effect on them.
Explanation
This statement is incorrect. Viruses can have different symmetries, including helical, icosahedral. or complex. structures. The structure of a virus depends on its type and can vary.
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About Acellular Life
Viruses are acellular infectious particles whose capsid, nucleic acid and host-dependent replication distinguish them from living cells. HIV infection covers transmission, replication, effects on helper T cells, progression to AIDS, symptoms, prevention and treatment, while AIDS is the disease state caused by advanced immune-system damage rather than a separate virus.
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