Final answer:
The five building blocks needed to form one ATP molecule are adenosine, ribose, phosphates, high-energy bonds, and hydrolysis.
Step-by-step explanation:
The five building blocks needed to form one ATP molecule are:
- Adenosine: Adenosine is a nucleoside composed of the nitrogenous base adenine and a five-carbon sugar, ribose.
- Ribose: Ribose is the five-carbon sugar found in ATP.
- Phosphates: ATP has three phosphate groups attached to the ribose molecule. The covalent bond between the terminal and middle phosphate groups holds the energy used by cells.
- High-energy bonds: The bond between the second and third phosphate groups is a high-energy bond, representing the greatest source of energy in a cell.
- Hydrolysis: ATP is broken down through hydrolysis, where the covalent bond between the terminal phosphate group and the middle phosphate group is broken, releasing energy.