A) Prions consist of abnormally folded proteins.
B) Viroids lack a protein coat.
C) Viruses are obligate parasites.
D) Infective constituent in viruses is the protein coat.
Answer: D) Infective constituent in viruses is the protein coat.
Explanation: It is the DNA or RNA of viruses that are the infective constituent and not the protein.
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Also Check:
- Bacteriophage
- Are Prions Self Replicating?
- Are Viruses Prokaryotes?
- How Do Viruses Multiply?
- Do Viroids Have DNA?
- Flashcards Of Biology For NEET Biological Classification
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