Chemistry Regents Practice Test 2025 – The All-in-One Guide to Exam Success!

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What is the process of alcoholic fermentation?

A method for extracting metals from ores

A process that converts sugars into alcohol and carbon dioxide using yeast

The process of alcoholic fermentation is defined as a biochemical process in which specific microorganisms, primarily yeast, convert sugars into alcohol and carbon dioxide. During this fermentation process, yeast metabolizes glucose and other sugars through a series of enzymatic reactions. The main product of this process is ethanol (alcohol), while carbon dioxide is released as a byproduct. This transformation is crucial not only for producing alcoholic beverages like beer and wine but also in various industrial applications.

The ability of yeast to perform alcoholic fermentation is an anaerobic process, meaning it can occur in the absence of oxygen. This characteristic distinguishes it from aerobic respiration, where oxygen is needed to produce energy. While other options mention various processes, they do not accurately describe what constitutes alcoholic fermentation and its relationship with yeast and sugar conversion.

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A type of chemical reaction that involves acids

A reaction that occurs without oxygen

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