Chapter22: Fat-controlled, Mineral-modified Diets For Cardiovascular Diseases
Section: Chapter Questions
Problem 4SC
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Please answer question 6

Transcribed Image Text:Look at this image comparing the structure of cellulose (one type of nutritional fiber) and starch:
CH₂OH
OH
OH
CH₂OH
OH
OH
STARCH
0
CH₂OH
0
OH
CELLULOSE
OH
OH
CH₂OH
OH
0
0
CH₂OH
OH
0,
OH
OH
CH₂OH
OH
6. What do you see in the structure of cellulose that tells you why "fiber" is listed on nutrition labels as a
carbohydrate?
7. Our digestive system produces an enzyme called amylase that breaks starch (amylose) apart into
molecules of glucose. But amylase enzyme does nothing to cellulose. What do you see in the structure
of cellulose that explains this?
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