How do adenine and guanine differ from cytosine and uracil?

How do Bacteria differ from Eukaryotes?

How do antiseptics differ from disinfectants?

What is nuclear fusion? How do nuclear fusion reactions differ from fission reactions?

How is adolescence differ from childhood ?

How tongue grafting differs from wedge grafting ?

(i) How do antiseptics differ from disinfectants? (ii) Explain about (i) Analgesics (ii) Antiinflammatory drugs (iii) Antipyretics

How does methaemoglobin differ from haemoglobin?