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Learn about the light-dependent reactions in photosynthesis and how they convert solar energy into chemical energy.
How Light-Dependent Reactions Work. The overall function of light-dependent reactions, the first stage of photosynthesis, is to convert solar energy into chemical energy in the form of NADPH and ATP, which are used in light-independent reactions and fuel the assembly of sugar molecules.
How Light-Dependent Reactions Work. The overall function of light-dependent reactions is to convert solar energy into chemical energy in the form of NADPH and ATP. This chemical energy supports the light-independent reactions and fuels the assembly of sugar molecules. The light-dependent reactions are depicted in Figure 8.2.7 8.2.
Sep 21, 2021 · The photon causes an electron in the chlorophyll to become “excited.”. The energy given to the electron allows it to break free from an atom of the chlorophyll molecule. Chlorophyll is therefore said to “donate” an electron (Figure 5.2.5 5.2. 5). To replace the electron in the chlorophyll, a molecule of water is split.
When a person turns on a lamp, electrical energy becomes light energy. Like all other forms of kinetic energy, light can travel, change form, and be harnessed to do work. In the case of photosynthesis, light energy is converted into chemical energy, which photoautotrophs use to build basic carbohydrate molecules (Figure 8.9). However ...
The chloroplast is involved in both stages of photosynthesis. The light reactions take place in the thylakoid. There, water (H 2 O) is oxidized, and oxygen (O 2) is released. The electrons that ...
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The reactions that make up the process of photosynthesis can be divided into light-dependent reactions, which take place in the thylakoids, and light-independent reactions (also known as dark reactions or the Calvin cycle), which take place in the stroma. 1. Chloroplasts have a complex internal structure, and different reactions take place in ...
