Polysaccharides
About the Lecture
The lecture Polysaccharides by Georgina Cornwall, PhD is from the course The Macromolecules of Life.
Included Quiz Questions
Which of the following is TRUE about polysaccharides?
- They are composed of monosaccharides linked by glycosidic bonds.
- Cellulose monomers are joined by alpha linkages.
- They are only used as energy-storage molecules by organisms.
- They are present only in animals.
- They can be metabolized by any enzyme in the digestive system.
Why can't cellulose be metabolized by humans?
- Because humans lack the enzyme that breaks the β-glycosidic bond between glucose molecules
- Because it is composed of α-glucose molecules
- Because it is crosslinked with proteins
- Because bacteria in the human digestive system inhibit the breakdown
- Because the monomers of cellulose are made of ribose
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Author of lecture Polysaccharides
Georgina Cornwall, PhD
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Excellent !
By Marco Mariano M. on 21. May 2019 for Polysaccharides
Easy to understand and fun! Really useful! Great examples are provided!
