starch is a polymer of glucose..
starch is made by bonding many glucose molecules...
Also,
sugars and starches are part of a large group of compounds known as carbohydrates. Sugars are monosaccharides, or single units of specific molecules such as glucose, fructose, and mannose. Starches, on the other hand, are polysaccharides, long chains of chains of single sugar molecule subunits linked together
