Photosystem II Responds to Wavelengths of Light Shorter Than _____

Question

Photosystem II responds to wavelengths of light shorter than _____ nm.
A) 450
B) 520
C) 580
D) 650
E) 680

Accepted Answer

Photosystem II primarily absorbs light with wavelengths shorter than 680 nm, which is why it is often associated with the P680 chlorophyll a molecule that absorbs light most efficiently at this wavelength.