Photosynthesis & Pigments
Photosynthesis is the conversion of light into _____ energy.
Chemical
Which type of phosphorylation uses both photosystems I and II?
Noncyclic
What is the name of the cycle that is the biochemical pathway for CO2 fixation?
Calvin-Benson Cycle
The carbon cycle is the exchange of C between _____ and _____
Heterotrophs & autotrophs
Where does photosynthesis take place in eukaryotes?
Chloroplasts w/in thylakoids
In what type of phosphorylation do released electrons return back?
Cyclic
What are the three stages of the Calvin-Benson Cycle
Fixation, reduction, and regeneration
True or false: Methanogens use methane as a C source.
False. Methanotrophs use methane as a C source. Methanogens produce methane.
Which stage of photosynthesis uses ATP & NADPH/NADH to reduce CO2 to sugar?
Light-independent (dark) reaction
On oxygenic photosynthesis, what is the electron donor?
H2O
Where does the Calvin-Benson cycle take place in photosynthetic bacteria? In eukaryotes?
Cytoplasm; stroma
What is the term for the conversion of nitrogen into its organic form?
Nitrogen fixation
Photosystems are used to generate ATP in what?
Chemiosmosis
What does anoxygenic photosynthesis produce?
Sulfure and sulfate
What is the name of the cycle that recycles inorganic matter between living organisms and a nonliving environment?
Biogeochemical cycle
What are the 3 steps for the conversion of nitrogen back into nitrogen gas?
Ammonification, Nitrification, and denitrification
True or false: photophosphorylation is a type of substrate level phosphorylation.
False - it is a type of oxidative phosphorylation
What organisms use oxygenic photosynthesis?
Plants, algae, and cyanobacteria