Which of the following carbohydrates is not related to $(+)$ -glucose?
Which of the following carbohydrates is not related to $(+)$ -glucose?
Amylopectin
Amylose
Insulin
Glycogen
Solution
Insulin is a polysaccharide of fructose, while all others are polysaccharides of glucose ; although all the four has same molecular formula, $\left(\mathrm{C}_{6} \mathrm{H}_{10} \mathrm{O}_{5}ight)_{n}$.