OCR A level PE - ATP/PC System

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Across
  1. 1. The enzyme that is the catalyst for the breaking down of ATP is what?
  2. 3. A reaction where the energy released from the first reaction for the second reaction is a _____ reaction.
  3. 7. The enzyme that is the catalyst for the breaking down of PC is what?
  4. 8. When high energy phosphate bond is broken it releases heat and energy. This is an _____ reaction.
  5. 9. The ATP-PC system is useful for what type of intensity sport?
  6. 12. The process by which ATP is made from ADP and Pi is called what?
Down
  1. 2. Phosphocreatine is found where in muscle cells?
  2. 4. Enough stores of ATP in the muscle for this many seconds of exercise.
  3. 5. How many harmful byproducts are created by ATP-PC system?
  4. 6. ATP_PC system is otherwise known as the _______ system
  5. 10. ATP is known as the "energy ____" of the body?
  6. 11. Enough stores of PC in the muscle for this many seconds of exercise.