The Conversion of Pyruvate to Phosphoenolpyruvate (PEP)in Gluconeogenesis

question 16

Multiple Choice

The conversion of pyruvate to phosphoenolpyruvate (PEP) in gluconeogenesis

• A) requires the net input of two equivalents of NADH.
• B) occurs in two steps and is catalyzed by the enzymes pyruvate carboxylase and phosphoenolpyruvate carboxykinase.
• C) is a thermodynamically spontaneous reaction that gives rise to a stable product.
• D) requires lactate as a precursor.

---

Definitions:

Burden of a Tax

The economic impact of a tax on the welfare of buyers and sellers, which can affect market behavior and economic efficiency.

Perfectly Elastic

A situation in economics where the quantity demanded or supplied changes by an infinite amount in response to any change in price.

Perfectly Inelastic

A market scenario where a change in price does not affect the quantity demanded or supplied, often represented with a vertical demand or supply curve.

Demand Curve

An illustrated chart that represents how the price of a good or service affects its demand within a certain period.