ATP is Adenosine Triphosphate. ATP consists of an adenosine molecule bonded to 3 phosphate groups in a row. This occurs when a molecule of adenosine diphosphate ( ADP ) uses the energy released during cellular respiration bond with a 3rd phosphate group, becoming a molecule of ATP
When a single cell organism splits in too
Answer:
Since the dog watches her leave and is sad realized that her grabbing the cat keys signals that she is leaving because it is one of the last things she does before she leaves