The reaction-center chlorophyll of photosystem I is known as P700 because
A) there are 700 chlorophyll molecules in the center
B) this pigment isbest at absorbing light with a wavelength of 700 nm.
C) there are 700 photosystem I components to each chloroplast.
D) it absorbs 700 photons per minute

Two types of Photosystem are present in the plants which are: P₆₈₀ and P₇₀₀. The 680 and 700 denote the wavelength of the light energy absorbed by the pigment of the chloroplast. The electrons get excited only at their absorbing wavelength.

Thus, Option-B is the correct answer.

The reaction-center chlorophyll of photosystem I is known as P700 because A) there are 700 chlorophyll molecules in the center B) this pigment isbest at absorbing light with a wavelength of 700 nm. C) there are 700 photosystem I components to each chloroplast. D) it absorbs 700 photons per minute

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The reaction-center chlorophyll of photosystem I is known as P700 because
A) there are 700 chlorophyll molecules in the center
B) this pigment isbest at absorbing light with a wavelength of 700 nm.
C) there are 700 photosystem I components to each chloroplast.
D) it absorbs 700 photons per minute