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Which of the following statement is corr...

Which of the following statement is correct for virus ?

A

Viruses contain either DNA or RNA

B

Viruses possess their own cell membrane

C

Viruses are facultative parasites

D

Viruses are readily killed by antibiotics

Text Solution

AI Generated Solution

The correct Answer is:
To solve the question regarding which statement is correct for viruses, we will analyze each of the provided options step by step. ### Step 1: Analyze the first option **Statement:** "Viruses contain either DNA or RNA." - **Explanation:** This statement is correct. Viruses can have either DNA (deoxyribonucleic acid) or RNA (ribonucleic acid) as their genetic material, but they do not have both. This characteristic is a fundamental aspect of viruses. ### Step 2: Analyze the second option **Statement:** "Viruses possess their own cell membrane." - **Explanation:** This statement is incorrect. Viruses do not possess their own cell membrane. Some viruses may have a lipid envelope, which is derived from the host cell's membrane, but they do not have a cellular structure like living organisms. ### Step 3: Analyze the third option **Statement:** "Viruses are facultative parasites." - **Explanation:** This statement is also incorrect. Viruses are obligate parasites, meaning they cannot reproduce or carry out metabolic processes without a host cell. They rely entirely on the host's cellular machinery for replication and protein synthesis. ### Step 4: Analyze the fourth option **Statement:** "Viruses are readily killed by antibiotics." - **Explanation:** This statement is incorrect. Antibiotics are designed to target bacterial infections and do not have any effect on viruses. Therefore, viruses are not killed by antibiotics. ### Conclusion After analyzing all the options, the only correct statement regarding viruses is: **Correct Answer:** "Viruses contain either DNA or RNA." ---
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