Question

describe how photosysytem 1 and photosysytem 2 work together to produce NADPH with proper diagram ​

Answer 1

Answer:

Function of photosystem I & II

The enzyme NADP reductase at that point moves electrons from ferrodoxin to NADP+, producing NADPH. The entry of electrons through photosystems I and II subsequently creates both ATP and NADPH, which are utilized by the Calvin cycle chemicals in the chloroplast stroma to change over CO2 to carbohydrates too little ATP is delivered comparative with a NADP, an elective course is to take the electron from ferrodoxin of photosystem I and move it to the plastoquinone of PSII as opposed to being utilized to make a greater amount of NADPH.  

An electron and its vitality are acknowledged by P700 and are passed to a progression of catalysts that couple oxidation-> decrease response (the death of an electron starting with one atom then onto the next with a higher proclivity for electron) to the vehicle of protons from the stroma into the thylakoid space. This makes a proton inclination.  

The main spot a proton can diffuse down its slope into the stroma, is through an atom called ATP synthase. The particle of ATP synthase catalyzes the phosphorylation of an ADP to an ATP as a proton diffuses down its angle through the chemical.

Answer 2

The structural and photochemical properties of the minimum particles capable of performing light reactions I and II have received much study. Treatment of lamellar fragments with neutral detergents releases these particles, designated photosystem I and photosystem II, respectively. Subsequent harsher treatment (with charged detergents) and separation of the individual polypeptides with electrophoretic techniques have helped identify the components of the photosystems. Each photosystem consists of a light-harvesting complex and a core complex. Each core complex contains a reaction centre with the pigment (either P700 or P680) that can be photochemically oxidized, together with electron acceptors and electron donors. In addition, the core complex has some 40 to 60 chlorophyll molecules bound to proteins. In addition to the light absorbed by the chlorophyll molecules in the core complex, the reaction centres receive a major part of their excitation from the pigments of the light-harvesting complex.