Micros- Chapter 20

photosynthesis in which O₂ is not produced

Light-harvesting chlorophylls or bacteriochlorophylls in phtocomplexes that funnel energy to the reaction center

An organism that uses CO₂ as the sole source of carbon

The chlorophyll pigment of anoxygenic phototrophs

the biochemical pathway for CO₂ fixation in many autotrophic organisms

crystalline inclusions of RubisCO

A hydrophobic accessory pigment present along with chlorophyll in photosynthetic membrane

a microorganism that oxidizes inorganic compounds as electron donors in energy metabolism

A light-sensitive , Mg-containing porphyrin of phototrophic organisms that initiates the process of photophosphorylation

Cigar-shaped structures present in the periphery of cells of green sulfur and non-sulfur bacteria and that contain the antenna bacteriochlorophylls (c,d, or e)

An enzyme, widely distributed in anaerobic microorganisms, capable of taking up or eveolving H₂

An autotrophic pathway found in chloroflexus and a few Archaea

An organism in which an inorganic compound serves as electron donor in energy metabolism and organic compounds serve as carbon source

the microbial conversion of NH_{3 to} NO₃^_

An enzyme capable of reducing N₂ to NH₃ in the process of nitrogen fixation

The biological reduction of N₂ to NH₃ by nitrogenase

Photosynthesis carried out by cyanobacteria and green plants in which O₂ is evolved

The production of ATP in photosynthesis

The series of rxn in which ATP is synthesized by light-driven rxn and CO₂ is fixed into cell material

An organism that uses light as energy source

The accessory pigment complex in cyanobacteria that contains phycocyanin and allophycocyanin or phycoerythrin coupled to protein

Aggregates of phycobiliproteins

A photosynthetic complex containing chlorophyll or bacteriochlorophyll and several other components within which occurs the initial electron transfer rxn of photosynthetic electron flow

A mechanism for autotrophy in green sulfur bacteria and a few other phototrophs

The acronym for ribulose bisphosphate carboxylase, the key enzyme in the Calvin Cycle

Membrane stacks in cyanobacteria or in the chloroplast of eukaryotic phototrophs