the color of light that is least useful to a plant during photosynthesis is ?; why do we perceive chlorophyll as being green?; the first step in photosynthesis is the; how is water used in the process of photosynthesis?; which of the following is true regarding these two steps?; the organelle where light energy is converted into a sugar energy is the; which of these does not occur during the light dependent reactions of photosynthesis; which of the following are true regarding photosynthesis and cellular respiration?