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Where is the stroma and thylakoid space relative to the thylakoid membrane? • The thylakoid space is inside the thylakoid membrane and the stroma is outside Where is chlorophyll located? • On the thylakoid membrane What are the three products of photolysis? • Oxygen to the atmosphere • H+ ions inside the thylakoid membrane • Electrons to chlorophyll What frequencies of light are absorbed and reflected by chlorophyll • Red and blue are absorbed • Green is reflected What happens to chlorophyll when it absorbs light energy? • Loses electrons to the electron transport chain Describe what is meant by the electron transport chain. • Series of protein molecules embedded on the membrane where each has a successively higher attraction for electrons than the previous one What happens with the energy released at each redox reaction? • Used to actively transport H+ ions into the thylakoid space Is the formation of ATP energy requiring or energy releasing? • Energy requiring Are H+ freely permeable to the thylakoid membrane? How do H+ ions diffusion out of the thylakoid space into the stroma? • No • Through ATP Synthase transport protein Is the flow of H+ ions through ATP Synthase energy requiring or energy releasing? • Energy releasing • This energy is used to form ATP What serves as the final electron acceptor at the end of the electron transport chain? • NADP+ What three things are needed for the light reactions? What three things are produced in the light reactions? • Needed--Light, water, chlorophyll • Produced--oxygen (to atmosphere), ATP, and NADPH (both to light independent Calvin Cycle) The synthesis part of photosynthesis is known as • Calvin Cycle • (Light independent reactions/ Dark Reactions) Name the step of the calvin cycle when carbon from outside living things is incorporated into living things. • Carbon Fixation Name the enzyme that performs carbon fixation • Rubisco Name two products of the light reactions that are needed for the Calvin Cycle • ATP and NADPH Name the molecule that cycles out of the calvin cycle to form biomolecules. • PGAL (G3P)
