The Conversion of Phosphoenolpyruvate and ADP to Pyruvate and ATP

question 30

Multiple Choice

The conversion of phosphoenolpyruvate and ADP to pyruvate and ATP occurs in two distinct steps, first the transfer of the phosphate from PEP to ADP, then the conversion of enolpyruvate to pyruvate. Which of the following describes the reversibility of this process?

• A)both steps are freely reversible
• B)step 1 is freely reversible, step 2 is irreversible
• C)step 1 is irreversible, step 2 is freely reversible
• D)both steps are irreversible
• E)the reversibility of the reaction depends completely upon the concentrations of products and reactants

---

Definitions:

Health and Safety Regulations

Standards and procedures intended to prevent accidents and injuries in the workplace or public areas.

Immigration

The process of settling down permanently in a country that is not one's own.

Economic Growth

An increase in the production of economic goods and services, compared from one period of time to another.

Immigration

The process of permanently relocating to a country that is not one's native homeland.