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Question:

(i) Which one of the following is a polysaccharide: Starch, maltose, fructose, glucose? (ii) Write one difference between α-helix and β-pleated sheet structures of protein. (iii) Write the name of the disease caused by the deficiency of vitamin B12?

Solution:

(i) Among above four starch is a polysaccharide which contain more than one sugar units (ii) α-helix is a rod type structure of protein whereas β-helix is a sheet like structure (iii) Pernicious Anaemia caused by the deficiency of vitamin B12.