Starch and Cellulose

Similarities and differences between starch and collagen. Specification point M chapter 7. Compare and contrast the structure and functions of starch (Amylose) and cellulose.


Starch and Cellulose


  • Unstable
  • Form condensation reactions
  • Polysaccharides
  • Formed from glucose
  • Contain glycosidic bonds


  • Starch (Amylose):-
  • Storage of glucose
  • Alpha Glucose
  • Coiled/ compact
  • Tensile strength
  • Digestable
  • Cellulose:-
  • Structural
  • Beta glucose
  • Strand/ straight
  • High tensile strength
  • Indigestable

Overall comparison

In conclusion, Starch and Cellulose have many similarities for example - they both originate from glucose. However- Starch originates from Alpha glucose and Cellulose is from Beta Glucose.


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