Which of the following is a characteristic of viral infections?

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Question: Which of the following is a characteristic of viral infections?

Options:

Correct Answer: Require host cells for replication

Solution:

Viruses require host cells to replicate, as they lack the cellular machinery necessary for reproduction.

Which of the following is a characteristic of viral infections?

Which of the following is a characteristic of viral infections?

Step 1: Understand what a virus is. A virus is a tiny infectious agent that can only replicate inside the living cells of an organism.
Step 2: Learn that viruses cannot reproduce on their own. They do not have the necessary tools or machinery to make copies of themselves.
Step 3: Realize that viruses need to invade a host cell. They attach to a host cell and use the cell's machinery to make more viruses.
Step 4: Conclude that a key characteristic of viral infections is that viruses require host cells to replicate.

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