Where do the enzymatic reactions of the Calvin cycle take place? Naim 01:16 AP Biology Chapter 10 Where do the enzymatic reactions of the Calvin cycle take place? A. Stroma of the chloroplast B. Thylakoid membranes C. Outer membrane of the chloroplast D. Electron transport chain E. Thylakoid space Answer: A Learn More : Share this Share on FacebookTweet on TwitterPlus on Google+