Summary Topic 5 Light Dependent Reaction

Light Dependent Reaction
site
of light dependent Reaction = Thylakoid membranes

associated
-
pigments
S.I units
Chlorophyll A and B B-carotene
Xanthophyll
-



, ,




absorbtion light
↳
different spectrum wavelengths of
-

absorbed


absorbtion "more
-maximises
energy photosynthesis
-Chlorophyll A =


primary pigment
Thylakoid large surface e more
area absorbtion -> more


photosynthesis
Thylakoid membrane -


phospholipid bilayer pigments proteins
, ,


-

electron transport proteins
+
H
-

proton pumps
ATP
Synthase
-




-




phorosystems .




Structure :
Lumen :
Ht Ht H +

H+ Ht

↓

↑ W
-D
⑭ Q0 ④
---- -




NAPPH
0
x


IPS)
=
>
- NADPH



g
.



A
.

Ze ze
---m
-

ATP

↳ no -
249 Synthase


↓ ADP + Pi-ATP
On

Strama: