What are the three major components of ATP, and what is ATP used for?
1) Adenine, phosphate groups, and ribose; ATP is used as the primary energy currency in cells
2) Adenine, amino acids, and glucose; ATP is used for protein synthesis
3) Adenine, fatty acids, and nucleotides; ATP is used for DNA replication
4) Adenine, carbohydrates, and lipids; ATP is used for cell division