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Question 21
(a) Name two diseases that are caused by virus.
(b) Write one important characteristic of virus.
Question 21
(a) Name two diseases that are caused by virus.
(b) Write one important characteristic of virus.
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Solution
(a) Two diseases that are caused by viruses are
(1) Polio
(2) Influenza
(b) Viruses can reproduce only inside the cells of a host.
(a) Two diseases that are caused by viruses are
(1) Polio
(2) Influenza
(b) Viruses can reproduce only inside the cells of a host.
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