In photosynthetic bacteria, the proteins that gather light for photosynthesis are embedded in cell membranes. In its simplest form, this involves the membrane. Photosynthesis and (Aerobic) Respiration These two processes have many things in common. 1. occur in organelles that seem to be descended from bacteria (endosymbiont. Vocabulary words for Cellular Respiration & Photosynthesis Quiz. Includes studying games and tools such as flashcards. 3 Part 1: Observing and Measuring Photosynthesis We have learned that photosynthesis involves the conversion of carbon dioxide and water into organic molecules such. plant growth: photosynthesis, respiration, and transpiration. Transpiration. Water in the roots is pulled through the plant by transpiration (loss of water vapor. Cellular respiration is the set of metabolic reactions and processes that take place in the cells of organisms to convert biochemical energy from nutrients into. 53 LABORATORY TOPIC 5 Plants Do It All— Photosynthesis, Respiration, and Transpiration BACKGROUND Physiology is the branch of biology that focuses on the Why Do Plants Need Photosynthesis & Cellular Respiration?. During photosynthesis, plants produce the substance they require to survive and store it until they need it. What's the difference between Cellular Respiration and Photosynthesis? Photosynthesis and respiration are reactions that complement each other in the environment. Review Questions | Back to Top. 1. The organic molecule produced directly by photosynthesis is: a) lipids; b) sugar; c) amino acids; d) DNA. 2. The photosynthetic.