difference between ps1 and ps2 - Biology - Photosynthesis in Higher Plants

Question

difference between ps1 and ps2

Rabi Narayan Panda · Accepted Answer

{1 } The main difference between the two is the wavelengths
of light to which they respond Photosystem I absorbs light with
wavelengths shorter than 700 nm, whereas photosystem II absorbs
light with wavelengths shorter than 680 nm However, they are both
equally important in the process of oxygenic
photosynthesis {2}
Photosystem I contains the chlorophyll-A molecule P700,
which absorbs wavelengths shorter than 700 nm It receives energy
from photons, in addition to the associated accessory pigments in
its antenna system, and from the electron transport chain from
Photosystem II It uses the energy from light to reduce NADP+
(nicotinamide adenine dinucleotide phosphate) to NADPH + H+, or
simply to power a proton pump (plastoquinone, or PQ)
Photosystem II, which is the first protein complex in the
light-dependent photosynthesis, contains the chlorophyll-A molecule
P680 that absorbs light with wavelengths shorter than 680 nm It
receives energy from photons and from associated accessory pigments
in its antenna system and uses it to oxidize water molecules,
producing protons (H+) and O2 as well as passing an electron to the
electron transport chain

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