During What Phase of Glycolysis Is NADH Formed

question 74

Multiple Choice

During what phase of glycolysis is NADH formed?

• A)during phase 1, when fructose 1,6-biphosphate is formed
• B)during phase 2, when glyceraldehyde 3-phosphate is formed
• C)during phase 3, when glyceraldehyde 3-phosphate is phosphorylated
• D)during phase 3, when pyruvate is finally formed
• E)during phase 1, when glucose is phosphorylated

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Definitions:

Epimeric

Describes diastereomers that differ in configuration at only one stereogenic center.

D-Aldopentose

A five-carbon sugar (pentose) with an aldehyde group, distinguished by its orientation in the Fischer projection that matches the D-family of sugars.

Ruff Degradation

A chemical process used to determine the structure of sugars by oxidatively breaking them down into smaller molecules.

D-Allose

An aldohexose sugar, similar to glucose but with a different arrangement of hydroxyl groups, that is a rare naturally occurring monosaccharide.