ATAR Notes: Forum

VCE Stuff => VCE Science => VCE Mathematics/Science/Technology => VCE Subjects + Help => VCE Chemistry => Topic started by: aisha hussein on November 25, 2021, 07:46:40 pm

Title: Chem question
Post by: aisha hussein on November 25, 2021, 07:46:40 pm

Hey quick question:
why do starch and cellulose need to undergo hydrolysis prior to fermentation??

Title: Re: Chem question
Post by: Sine on November 25, 2021, 09:44:07 pm

Quote from: aisha hussein on November 25, 2021, 07:46:40 pm

Hey quick question:
why do starch and cellulose need to undergo hydrolysis prior to fermentation??

starch and cellulose are polymers of glucose which mean that they include many single glucose monosaccharides that are joined together. Hydrolysis splits this polymer so that glucose is free as a monomer which is required for glycolysis and subsequent conversion to lactate.

Title: Re: Chem question
Post by: Billuminati on November 26, 2021, 09:46:19 am

Quote from: aisha hussein on November 25, 2021, 07:46:40 pm

Hey quick question:
why do starch and cellulose need to undergo hydrolysis prior to fermentation??

Adding to what Sine said, you must get these complex sugars into their monomers ie glucose via hydrolysis because the enzymes required for fermentation can only recognise glucose, not its polymers