Introductory Chemistry: A Foundati...

9th Edition
Steven S. Zumdahl + 1 other
ISBN: 9781337399425



Introductory Chemistry: A Foundati...

9th Edition
Steven S. Zumdahl + 1 other
ISBN: 9781337399425
Textbook Problem

. Starch and cellulose both are polymers of glucose that are synthesized by plants. What do plants use starch for? What do they use cellulose for? Why is starch digestible by humans, hut cellulose is not digestible?

Interpretation Introduction


To write the function of starch and cellulose in plants and explain why starch is digestible by humans but not cellulose.

Concept Introduction:

Starch and cellulose are the made of the number of glucose joins to each other in a sereis. Starch consist of two polymers such as amylose and amylopectin.

Amylose is polymer made of linear chain glucose while amylopectin is polymer made of branched chain polymers.

Cellulose consist of monomer beta D- glucose cross linked to each other while starch can be straight or branched.


Starch is present in leaves helps in producing carbohydrates through photosynthesis.

Cellulose is present in cell wall of plants to provide it with protection and give it a proper structure.

Enzyme required for digestion of starch is present in human beings...

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