Figure 10.1
-The reaction-center chlorophyll of photosystem I is known as P700 because
A)there are 700 chlorophyll molecules in the center.
B)this pigment is best 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 microsecond.
E)the plastoquinone reflects light with a wavelength of 700 nm.

Question

Figure 10.1 
-The reaction-center chlorophyll of photosystem I is known as P700 because
A)there are 700 chlorophyll molecules in the center. 
B)this pigment is best 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 microsecond. 
E)the plastoquinone reflects light with a wavelength of 700 nm.

Quizplus · Accepted Answer

The reaction-center chlorophyll of photosystem I is known as P700 because it is best at absorbing light with a wavelength of 700 nm. This is the most common explanation given for the naming of P700.

Figure 10.1 -The Reaction-Center Chlorophyll of Photosystem I Is Known as P700