Answered: In Lab 10, pizza dough made from rice…

Biochemistry

9th Edition

ISBN:9781319114671

Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.

Publisher:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.

Chapter1: Biochemistry: An Evolving Science

Section: Chapter Questions

Problem 1P

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Question

In Lab 10, pizza dough made from rice flour mixed with sugar, water, salt and yeast does not rise because:

a. rice contains the enzyme Bromelain which breaks down collagen which make dough elastic and cohesive

b. rice flour has a high starch content compared to wheat flour

c. rice flour contains proteins that inhibit the Maillard Reaction

d. the proteins in rice flour cannot form gluten which is needed to trap CO2 gas

e. rice flour traps oxygen so yeast produce ketones instead of CO2 and ethanol

Definition Definition Organic compounds that have a carbonyl group, C = O, as their functional group. The carbonyl group in ketones is placed somewhere in the middle of the molecular structure, which means, the C=O is attached to two alkyl groups or benzene rings. Just like all other homologous series, the naming of ketones is done using a common suffix “-one”. The general molecular formula is C n H 2n O. Functional group of a ketone

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