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Multiple Choice
What is the primary purpose of fermentation in organic chemistry?
A
To oxidize alcohols into aldehydes
B
To break down lipids into fatty acids and glycerol
C
To synthesize proteins from amino acids
D
To convert glucose into ethanol and carbon dioxide
Verified step by step guidance
1
Fermentation is a metabolic process that converts sugar to acids, gases, or alcohol. In organic chemistry, it is primarily used to convert glucose into ethanol and carbon dioxide.
The process begins with glycolysis, where one molecule of glucose (C₆H₁₂O₆) is broken down into two molecules of pyruvate (CH₃COCOO⁻).
In the absence of oxygen, pyruvate is then converted into ethanol (C₂H₅OH) and carbon dioxide (CO₂) through alcoholic fermentation.
The conversion of pyruvate to ethanol involves two main steps: decarboxylation of pyruvate to acetaldehyde, followed by the reduction of acetaldehyde to ethanol.
This process is crucial in organic chemistry for the production of alcoholic beverages and biofuels, as well as in various industrial applications.