TLS Online TPP Program

#Question id: 449


The standard free-energy changes for the reactions below are given. Phosphocreatine -> creatine + Pi DG'° = –43.0 kJ/mol ATP ->  ADP + Pi DG'° = –30.5 kJ/mol What is the overall DG'° for the following reaction? Phosphocreatine + ADP -> creatine + ATP

#Unit 1. Molecules and their Interaction Relevant to Biology
  1. –73.5 kJ/mol

  2. –12.5 kJ/mol

  3. +12.5 kJ/mol

  4. +73.5 kJ/mol