Which of the following is found in all viruses?
Correct answer: A. Protein coat
- A. Protein coat
- B. Cell membrane
- C. Membrane-bound organelles
- D. Endoplasmic reticulum
- E. Mitochondrial DNA
Explanation
All viruses possess a protein coat, also known as a capsid, which encloses their genetic material. The protein coat provides protection to the viral genome and helps in the attachment of the virus to host cells. The composition and structure of the protein coat can vary among different viruses.
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About Kingdom Protista
Kingdom Protista contains mainly unicellular eukaryotes, although some forms are colonial or multicellular, with varied nutritional and reproductive methods. Questions examine protozoans, algae and examples such as Amoeba, Paramecium and Euglena, while distinguishing protists from prokaryotes, fungi and true plants.
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