What is oxidized and what is reduced during the light dependent reactions?

The light-dependent reactions begin in photosystem II. ... This reaction center, known as P700, is oxidized and sends a high-energy electron to reduce NADP+ to NADPH. This process illustrates oxygenic photosynthesis, wherein the first electron donor is water and oxygen is created as a waste product.

Explanation:

The light reaction takes place in the thylakoid discs. There, water (H20) is oxidized, and oxygen (O2) is released. The electrons freed up from water are transfered to ATP and NADPH. ... In this reaction, the energy from ATP and NADPH are used to fix carbon dioxide (CO2).

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the electromagnetic spectrum includes, from longest wavelength to shortest: radio waves, microwaves, infrared, optical, ultraviolet, x-rays, and gamma-rays.

a

explanation: