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Question
Which of the following processes are absent in viruses?
Which of the following processes are absent in viruses?
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Solution
The correct option is D Energy production / liberation
A virus is a small infectious agent, that replicates only inside the living cells of other organisms. Viruses can infect all types of life forms, from plants and animals to micro-organisms, including bacteria and archae. Viruses can undergo replication by lytic and lysogenic cycles. The feature of viruses to perform viral genetic change in their own genome is a process of virus mutation. Viral proteins can be synthesized in host cells by using host machinery. Energy production and liberation process is absent in viruses, as this process is not required by viruses. Thus, option D is correct.
A virus is a small infectious agent, that replicates only inside the living cells of other organisms. Viruses can infect all types of life forms, from plants and animals to micro-organisms, including bacteria and archae. Viruses can undergo replication by lytic and lysogenic cycles. The feature of viruses to perform viral genetic change in their own genome is a process of virus mutation. Viral proteins can be synthesized in host cells by using host machinery. Energy production and liberation process is absent in viruses, as this process is not required by viruses. Thus, option D is correct.
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