19.) Most CO2 from catabolism is released during: a. glycolysis b. the citric acid cycle c. lactate fermentation d. electron transport 20.) Of the following important statements about Photosynthesis, which is the CORRECT? a. It is a processed used by plants and other organisms, such as cyanobacteria, responsible to produce energy. b. It converts light into chemical energy that will be used later to produce proteins. c. Sun light is converted into chemical energy to produce glucose. d. None of the above is correct. 21.) Of the following statements about Photosynthesis, which is the CORRECT? a. This process starts with the O2 entering through the stomata's. b. HO takes part in Light Reactions which releases O and produces ATP and NADPH. c. Light, specially absorbed by the sun, is used during the Calving Cycle. d. Chloroplast is the organelle where Photosynthesis happens because it has carotenoids. e. None of the above is correct.