1. Photosynthesis is broken up into two major reactions. Which one uses light and water to create ATP and harvest electrons? a. Light independent reaction b.Light dependent reaction 2. In the light dependent reaction ___________________. a. Water is created and used to oxidize NADPH b. Water is split and the electrons are used to create a hydrogen ion gradient to power the ATP synthase c. The enzyme Rubisco is able to fixate carbon dioxide d. Oxygen combines with hydrogen atoms to create a water source to supply electrons for the oxidation of NADPH 3. The initial step of the Calvin cycle involves the bonds of ___________ to RuBP. a. chlorophyll b. water c. oxygen d. carbon dioxide 4. Organisms that create their own food using light as a catalyst are called______where as organisms that consume organic matter are referred to as____ _ Answer choices: chemoautotrophs, heterotrophs, photoautrotrophs. 5. ____ and_____ are the two main products that result from photosynthesis. Answer choices for the first blank: Water, carbon dioxide, oxygen, proteins Answer choices for the second blank: Water, carbon dioxide, glucose, electrons .