Photosynthesis Flashcards
Chloroplasts: how many per cell, eukaryotic or prokaryotic DNA and ribosomes, how do they divide, how are they bound
1-200
prokaryotic
fission
double membrane (chloroplast envelope)
Thylakoids have an intricate internal system of …
their membranes are rich in …., which gives them extra …
membrane sacs
unsaturated fats
fluidity
The stroma is the
fluid matrix surrounding the thylakoid
heterotrophic organisms such as human oxidise … to release…
high energy carbon compounds
energy
autotrophs reduce … to make high….
CO2
high energy compounds
The photochemical (light) reaction happens in the
thylakoid membrane
the dark reaction happens in the
stroma
In the light reaction. … is used to produce … and …
light energy
ATP & NADPH
In the dark reaction … and … are used for….
ATP NADPH
Carbon fixation
in vivo, chlorophylls and …. are linked to … and are assembled into 3-D antenna-like structures known as… which are embedded into the…
carotenoids
proteins
light-harvesting complexes
thylakoid membrane
4 major intrinsic protein complexes:
photosystem II (water-splitting iin lumen)
cytochroms b-6-cytochrome f complex
photosystem 1 (reduces NADP+ to NADH in stroma)
ATP-synthase (produces ATP in stroma)
Where are the light harvesting complexes found?
discrete membrane locations
photosystem II is found in
granal stacks
PSI and ATP synthase found in
unstacked region
NADPH is the source of power to reduce … to ….
CO2
carbohydrates
