The figure below illustrates some of the steps (reactions) of glycolysis in their proper sequence. Each step is lettered. Use these letters to answer the questions.

-Which portion of the pathway in the figure above contains a phosphorylation reaction in which ATP is the phosphate source?
A)A
B)B
C)C
D)D

Question

The figure below illustrates some of the steps (reactions) of glycolysis in their proper sequence. Each step is lettered. Use these letters to answer the questions.
 
-Which portion of the pathway in the figure above contains a phosphorylation reaction in which ATP is the phosphate source?
A)A 
B)B 
C)C 
D)D

Quizplus · Accepted Answer

Phosphorylation reactions using ATP as the phosphate source typically occur in the initial steps of metabolic pathways, such as glycolysis, where ATP donates a phosphate group to a substrate.

The Figure Below Illustrates Some of the Steps (Reactions) of Glycolysis