Articles > ATP & ADP – Biological Energy – Quiz ATP & ADP – Biological Energy – Quiz Quiz Choose "True" if the sentence is correct and "False" if the sentence is not correct. 1. ATP consists of adenosine and two inorganic phosphates. True False 2. When ADP is broken down into ATP, energy is released. True False 3. ATP is synthesized by the cell through cell respiration. True False 4. In the absence of oxygen, respiration occurs in the following steps: Glycolysis, Kreb's Cycle, and Cytochrome System. True False 5. Plants no longer need cell respiration because they produce food through photosynthesis. True False Send Your Results (Optional) Your Name To Email Time's up