BIO 221 Photosynthesis Review Questions with Correct Answers

The energy that is stored in ATP derives from what? Light energy What does photosynthesis involve? Transformation of energy Can other organisms photosynthesize that aren't plants? Yes What do both respiration and photosynthesis use? Electron transport chains Photosynthesis equation 6CO2 + 6H2O + light energy -- C6H12O6 + 6O2 What is a biproduct of photosynthesis? Oxygen Energy cycle 1. Organic molecules + O2 2. Cellular respiration 3. Energy intermediates (ATP) 4. CO2 + H2O 5. Light 6. Photosynthesis CO2 + H2O acts as A product of respiration and a reactant of photosynthesis Autotrophs Organisms that make their own food Heterotrophs An organism that obtains organic food molecules by eating other organisms or their by-products. What organisms can photosynthesize? Plants, algae, and some bacteria (cyanobacteria) and protist Phtotautotroph Use light to make food Oxygenic photosynthesis Photosynthesis that produces oxygen Anoxygenic photosynthesis Photosynthesis that does not produce oxygen Where does phtosynthesis take place? Chloroplasts Where are chloroplasts found? Mesophyll cells of leaves