Which one of the following biomolecules is insoluble in water

Which one of the followinig biomolecules is insoluble in water ?

(i) Which of the following biomolecules is insoluble in water ? Justify. Insulin, Haemoglobin, Keratin. (ii) Draw the Haworth structure for alpha -D-Glucopyranose. (iii) Write chemical reaction to show that glucose contains aldehyde as carbonyl group.

Which of the following biomolecules is insoluble in water?

Which of the following biomolecules is insoluble in water?

Which of the following biomolecule is insoluble in water?