Question

The process of breakdown of sugar molecules by microorganisms to yield an acid or an alcohol

Answer 1

The process is called fermentation. :-)

Answer 2

Explanation:

The process of breakdown of sugar molecules by microorganisms to yield an acid or an alcohol is called fermentation.

In general, fermentation occurs in the absence of oxygen and results in the abstraction of energy from carbohydrates or sugar.

The reaction equation for fermentation is as follows.

        $Sugar \rightarrow pyruvate \xrightarrow[NADH \rightarrow NAD^{+}]{Alcohol dehydrogenase} Alcohol + CO_{2}$