Carbohydrates: short-term energy storage
monosaccharide: 3-7 carbon atoms. Are broken down quickly for energy
disaccharide: 2 sugars bonded together (ex. glucose + fructose)
polysaccharide = complex carbohydrates: long chain of simple sugar grouped together
starch: polymer of monosaccharide glucose
glycogen: polysaccharide used by animals to store energy, also the main form of energy storage in liver and muscles. Excess glucose bonds together to form glycogen
glycogen packs more glucose unit into one cell than starch do
In starch, glucose are facing the same direction. In cellulose, glucose are facing in opposition direction for eachother. This makes cellulose hard for us, humans to digest (since we don't have the enzymes that could digest that). Cellulose is also hard to break down and cannot dissolve in water like starch can.
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