CK-12 Physical Science - For Middle School

(Marvins-Underground-K-12) #1

http://www.ck12.org Chapter 9. Chemistry of Carbon


FIGURE 9.16


Glucose and fructose are isomers. Su-
crose contains a molecule of each.

FIGURE 9.17


These foods are all good sources of
starch.

Cellulose


Cellulose is another complex carbohydrate that is a polymer of glucose. However, the glucose molecules are bonded
together differently in cellulose than they are in starches. Cellulose molecules bundle together to form long, tough

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