Respuesta :
a. stroma, b. thylakoid membrane, c. thylakoid space, d. photosystem II, e. electron transport chain, f. photosystem I, g. ATP synthase these labels will go to identify the structures involved in the light reactions.
The photosystem, a multi-protein complex, is where the conversion of light energy into chemical energy occurs. The thylakoid membrane contains photosystem II (PSII) and photosystem I, two different types of photosystems (PSI). In order to excite electrons and absorb solar energy, each photosystem is essential. "Energy carrier" molecules carry these energized electrons, which fuel the light-independent reactions.
A light-harvesting complex and a reaction center make up photosystems. Two unique chlorophyll molecules are located in the reaction center and receive light energy from pigments in the light-harvesting complex.
An electron from the chlorophyll pair is excited by the light and moves to the main electron acceptor. Afterward, the excited electron needs to be changed. In photosystem II, oxygen is produced as a waste product when water splits, providing the electron. The chloroplast electron transport chain is where the electron enters photosystem I.
The two photosystems react to distinct light wavelengths, deliver their powered electrons to various locations, and oxidize various low-energy electron sources.
In the light-independent reactions, also referred to as the Calvin cycle, the energetic electrons from the light-dependent reactions provide the energy to transform carbon dioxide molecules into carbohydrates. The light-independent reactions are occasionally referred to as the Calvin cycle due to the cycle-like aspect of the process.
Even though they don't use light as a reactant and can thus happen day or night, the products of the light-dependent reactions are required for the light-independent processes to function. The energy-carrying molecules ATP and NADPH, which are not dependent on light, fuel the synthesis of new carbohydrate molecules. Once the energy has been transferred, the energy carrier molecules return to the light-dependent processes to obtain further energized electrons.
In addition, a number of the enzymes involved in the light-dependent processes are activated by light.
The complete question is:
First, drag labels to the appropriate targets at the left to identify the parts of the chloroplast in this diagram. then drag labels to the appropriate targets to identify the structures involved in the light reactions.
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