Bell Ringer #1- 1/13-1/14 What are ATP and ADP…what is the difference between them? List the four steps of the ATP cycle. What is the photosynthesis formula? Where does the carbon in the sugar made in photosynthesis come from? What is chlorophyll? Where is it found? Where does photosynthesis occur? LDR require: a. ________ and b. ________. They occur in the chloroplast’s c. ________, these reactions make d. ___ and e.___ The Calvin cycle requires: a. ____ and b.____, occurs in the c. _____ of the chloroplast and makes d. ______.