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Which of the following is a characteristic feature of viruses? (2020)

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Question: Which of the following is a characteristic feature of viruses? (2020)

Options:

  1. Cellular structure
  2. Metabolism
  3. Reproduction without a host
  4. Protein coat

Correct Answer: Protein coat

Exam Year: 2020

Solution: 

Viruses have a protein coat (capsid) and lack cellular structure and metabolism, requiring a host to reproduce.

Which of the following is a characteristic feature of viruses? (2020)

Practice Questions

Q1
Which of the following is a characteristic feature of viruses? (2020)
  1. Cellular structure
  2. Metabolism
  3. Reproduction without a host
  4. Protein coat

Questions & Step-by-Step Solutions

Which of the following is a characteristic feature of viruses? (2020)
  • Step 1: Understand that viruses are tiny infectious agents.
  • Step 2: Learn that viruses have a protective outer layer called a protein coat, or capsid.
  • Step 3: Recognize that viruses do not have a cellular structure like living organisms.
  • Step 4: Note that viruses do not have their own metabolism, meaning they cannot carry out life processes on their own.
  • Step 5: Realize that viruses need to infect a host cell to reproduce and make more viruses.
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