How are viroids different from viruses?
Viroids are free RNA molecules of low molecular weight without any protein coat while viruses can have either RNA or DNA molecules encapsulated in a protein coat. Viroids are smaller in size than viruses.
Define a taxon. Give some examples of taxa at different hierarchical levels.
What are the steps involved in formation of a root nodule?
Answer briefly:
(a) Why are villi present in the intestine and not in the stomach?
(b) How does pepsinogen change into its active form?
(c) What are the basic layers of the wall of alimentary canal?
(d) How does bile help in the digestion of fats?
What are the characteristics of prokaryotic cells?
This isn't a complete answer please edit it and keep a new one
Viroids causes disease only in plant...... But viruse causes disease both in plant and animals......
Viroids lack a protein coat whereas viruses have protein coat called capsid.......
Yes.....the length of the answer shud b more
Length of answer should be more
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Answer is short . Explain some more
Too short
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Short answer