Yeast Can Metabolize D-Mannose to Ethanol and CO₂

question 47

Essay

Yeast can metabolize D-mannose to ethanol and CO₂. In addition to the glycolytic enzymes, the only other enzyme needed is phosphomannose isomerase, which converts mannose 6-phosphate to fructose 6-phosphate. If mannose is converted to ethanol and CO₂ by the most direct pathway, which of the compounds and cofactors in this list are involved?
A. Lactate
B. Acetaldehyde
C. Acetyl-CoA
D. FAD
E. Glucose 6-phosphate
F. Fructose 1-phosphate
G. Pyruvate
H. Lipoic acid
I. Thiamine pyrophosphate
J. Dihydroxyacetone phosphate

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Definitions:

Dissonance Experience

The feeling of discomfort resulting from holding two or more conflicting cognitions, such as beliefs, values, or attitudes.

Contamination Story

A narrative or explanation that details how something was polluted, corrupted, or tainted.

Self-Verification

Seeking out other people and social situations that support the way one views oneself in order to sustain a consistent and clear self-concept.

Redemption Story

A narrative framework where a person describes their life story in terms of moving from a difficult or low point to a higher, more positive state.