What is a difference between ATP and ADP molecules?

ADP can be used to directly power movement, while ATP cannot.

ATP molecules provide less energy to the cell than ADP molecules.

ATP has three phosphate groups, while ADP has two phosphate groups.

ADP is only made in plants, while ATP is made in both plants and animals.

Question

What is a difference between ATP and ADP molecules?

 ADP can be used to directly power movement, while ATP cannot.

 ATP molecules provide less energy to the cell than ADP molecules.

 ATP has three phosphate groups, while ADP has two phosphate groups.

 ADP is only made in plants, while ATP is made in both plants and animals.

anonymous · Answer

It is C. 

ADP can be converted from ATP by removing 1 of the phosphate groups. Vice versa if you want to convert ADP into ATP.