Which of the statement about viruses is incorrect___________________?
Correct answer: C. They can synthesize their nucleic acid
- A. We can not grow them in laboratories on artificial medias
- B. They are obligate intracellular parasite.
- C. They can synthesize their nucleic acid
- D. They are resistant to most of antibiotic treatment
Explanation
Viruses do not independently synthesize their nucleic acids because they lack the complete metabolic and protein-synthesis machinery of cells; they replicate using a host cell. They are obligate intracellular parasites and are generally unaffected by antibacterial antibiotics. Students may choose a because viruses can be grown in laboratories, but they require living cells rather than artificial cell-free media.
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About Viruses
Viruses are acellular infectious particles made of genetic material enclosed by a protein capsid, sometimes with a lipid envelope. Their replication depends on a host cell and may follow lytic or lysogenic cycles, so viral structure and reproduction differ fundamentally from those of cellular organisms such as bacteria.
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