Why Is It Necessary for ATP to Be Used in the Energy-Investment

question 31

Multiple Choice

Why is it necessary for ATP to be used in the energy-investment phase of glycolysis?

• A) Adding the phosphate to the glucose molecule allows the later reactions that take place in the energy payoff phase to occur.
• B) Adding the phosphate to the glucose molecule breaks it into pyruvate.
• C) There is no purpose to adding the phosphate to the glucose; it just happens that way.
• D) When ATP is broken into adenosine, triglycerides, and phosphate, it supplies energy to produce more ATP later in oxidative phosphorylation.
• E) The energy that is released when ATP becomes ADP is harnessed and used to pump hydrogen ions across the mitochondrial membrane.

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John Maynard Keynes

An economist from Britain whose work reshaped both macroeconomic theory and the economic policymaking of governments.