WebThe overall chemical reaction for the light-dependent portion of photosynthesis is: 2 H 2 O + 2 NADP + + 3 ADP + 3 P i + light → 2 NADPH + 2 H + + 3 ATP + O 2. The end point of this reaction is the formation of ATP and NADH. The chemical energy contained in these two molecules is used in the next step of photosynthesis to construct carbohydrates. WebMay 25, 2024 · The electron transport chain is a series of molecules that accept or donate electrons easily. By moving step-by-step through these, electrons are moved in a specific direction across a membrane. The movement of hydrogen ions are coupled with this. This means that when electrons are moved, hydrogen ions move too.
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WebTerms in this set (45) what does the hill reaction monitor. it monitors photosynthesis and can show the rate of photosynthesis. hill reaction. the light-driven transfer of electrons from water to hill reagents; Robert Hill used other electron acceptors to investigate photosynthesis. photosynthesis purpose. WebThe pathway of electrons. The general features of a widely accepted mechanism for photoelectron transfer, in which two light reactions (light reaction I and light reaction II) occur during the transfer of electrons from water to carbon dioxide, were proposed by … cincingss
IB Biology Notes - 8.2 Photosynthesis - IB Guides
WebThe energy efficiency of photosynthesis is the ratio of the energy stored to the energy of light absorbed. The chemical energy stored is the difference between that contained in gaseous oxygen and organic compound products and the energy of water, carbon dioxide, and other reactants. The amount of energy stored can only be estimated because many … WebGenerating an Energy Carrier: ATP. In the light-dependent reactions, energy absorbed by sunlight is stored by two types of energy-carrier molecules: ATP and NADPH. The energy that these molecules carry is stored in a bond that holds a single atom to the molecule. For ATP, it is a phosphate atom, and for NADPH, it is a hydrogen atom. WebPhotosynthesis involves two stages: the light-dependent reactions, which require sunlight and water to produce oxygen, ATP, and NADPH, and the light-independent reactions (or "dark reactions"), which use the products of the light-dependent reactions along with carbon dioxide to produce carbohydrates. Created by Sal Khan. dhr group llc houston tx