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.

Answer 1

C is the correct answer because when one phosphate is broken off of ATP, the remaining molecule is called adenosine diphosphate, or ADP.

Answer 2

ATP is the main energy carrier but what the difference that ATP 3 groups of phosphate and ADP has 2