Identifying the Essential Virus Component
The question asks to identify the component that is universally present in all viruses.
Let's analyze the options:
- Capsid: This is a protective protein coat surrounding the virus's genetic material (DNA or RNA). All viruses possess a capsid, making it a defining structural feature.
- Envelope: Some viruses have an outer lipid envelope derived from the host cell, but many viruses (naked viruses) lack this structure. Therefore, it is not always present.
- Ribosome: Viruses are metabolically inert and lack the cellular machinery for protein synthesis, including ribosomes. They rely on the host cell's ribosomes.
- Mitochondria: These are energy-producing organelles found in eukaryotic cells. Viruses are acellular and do not contain organelles like mitochondria.
Based on the analysis, the capsid is the only component consistently found in every type of virus.
Conclusion
The structure that is always present in a virus is its protective protein coat, the capsid.
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Important Questions from Mixed Topic (CUET PG)
- Who was the founder of Bolshevik Communist party?
- What is the key guide to statecraft in the realist tradition?
- Chronologically arrange the events in the Cold War period.
A. Berlin Wall is constructed
B. Communist China joins the UN
C. Soviet invasion of Czechoslovakia
D. Berlin Blockade
Choose the correct answer from the options given below: Morgenthau's principles of political realism are:
A. Politics is rooted in permanent and unchanging human nature which is basically self centred, self-regarding and self-interested
B. Politics is an autonomous sphere of action and cannot therefore be reduced to morals
C. International Politics is an arena of conflicting self-interests
D. The ethics of international relations is situational ethics which is very different from private morality
Choose the correct answer from the options given below:Who among the following political thinkers consider the anarchical self help system to be a compelling factor for States to maximise their relative power positions?
