1. Fill in the blanks. List major possibilities only ( answers are not exclusive
ID: 257141 • Letter: 1
Question
1.Fill in the blanks. List major possibilities only (answers are not exclusive, can check book and other resources)
Bacteria Description
Possible Electron Donor
Possible Electron Acceptor
Possible Carbon Source
Aerobic heterotroph
Anammox Bacteria
Iron Oxidizer
Iron Reducer
Sulfur Oxidizer
Sulfate Reducer
Acetogen
Methanogen
Nitrate reducer
Hydrogen oxidizer
Bacteria Description
Possible Electron Donor
Possible Electron Acceptor
Possible Carbon Source
Aerobic heterotroph
Anammox Bacteria
Iron Oxidizer
Iron Reducer
Sulfur Oxidizer
Sulfate Reducer
Acetogen
Methanogen
Nitrate reducer
Hydrogen oxidizer
Explanation / Answer
Bacteria Description
Possible Electron Donor
Possible Electron Acceptor
Possible Carbon Source
Aerobic heterotroph
They act as Terminal electron acceptor because during respiration they use oxygen
Use CO2 as possible carbon source
Anammox Bacteria
Some members of the anammox bacteria had been shown to respire iron (III) or manganese (IV) oxides, with formate as the electron donor
can use as electron sources or acceptors
using CO2 as the carbon source
Iron Oxidizer
H2 or S0 are use as an electron donor,serves as a primary energy source of the bacterium
In Anaerobic respiration used Fe3+ or S0 as an electron acceptor
for energy they need and multiply by oxidizing dissolve ferrous iron, the organisms cometabolized ferrous iron with an additional carbon source
Iron Reducer
Fe2+ have a positive standard reduction potential, the bioenergetics are not extremely favorable, and using oxygen as a final electron acceptor.
freshwater and marine roots used a variety of carbon and energy sources
(e.g., acetate, ethanol, succinate)
Sulfur Oxidizer
sulfide as an electron donor
nitrate as an electron acceptor under anaerobic conditions.
use methane as a carbon source
Sulfate Reducer
utilizing sulfate (SO42–) as terminal electron acceptor
use of both organic and inorganic compounds as carbon source
Acetogen
reduce acetyl–CoA to acetaldehyde and ethanol using electron donors such as NAD(H) and NADP(H)
CO use as a carbon source
Methanogen
the methyl group is the electron donor, organic matter fermentation which produce organic acids at concentrations in excess of the availability of alternative electron donors ( NO 3 - , Fe3+, SO 4 2 - )
the carboxyl group is the electron acceptor.
use CO2 as a source of carbon
Nitrate reducer
nitrogen electron acceptors in order of most to least thermodynamically favorable includenitrate (NO3?), nitrite (NO2?),
lactate as fermentable carbon source
Hydrogen oxidizer
hydrogen as electron donor
May be use oxygen as electron acceptor,
derive energy for growth and maintenance from the reaction 2H2+O2?2H2O
Bacteria Description
Possible Electron Donor
Possible Electron Acceptor
Possible Carbon Source
Aerobic heterotroph
They act as Terminal electron acceptor because during respiration they use oxygen
Use CO2 as possible carbon source
Anammox Bacteria
Some members of the anammox bacteria had been shown to respire iron (III) or manganese (IV) oxides, with formate as the electron donor
can use as electron sources or acceptors
using CO2 as the carbon source
Iron Oxidizer
H2 or S0 are use as an electron donor,serves as a primary energy source of the bacterium
In Anaerobic respiration used Fe3+ or S0 as an electron acceptor
for energy they need and multiply by oxidizing dissolve ferrous iron, the organisms cometabolized ferrous iron with an additional carbon source
Iron Reducer
Fe2+ have a positive standard reduction potential, the bioenergetics are not extremely favorable, and using oxygen as a final electron acceptor.
freshwater and marine roots used a variety of carbon and energy sources
(e.g., acetate, ethanol, succinate)
Sulfur Oxidizer
sulfide as an electron donor
nitrate as an electron acceptor under anaerobic conditions.
use methane as a carbon source
Sulfate Reducer
utilizing sulfate (SO42–) as terminal electron acceptor
use of both organic and inorganic compounds as carbon source
Acetogen
reduce acetyl–CoA to acetaldehyde and ethanol using electron donors such as NAD(H) and NADP(H)
CO use as a carbon source
Methanogen
the methyl group is the electron donor, organic matter fermentation which produce organic acids at concentrations in excess of the availability of alternative electron donors ( NO 3 - , Fe3+, SO 4 2 - )
the carboxyl group is the electron acceptor.
use CO2 as a source of carbon
Nitrate reducer
nitrogen electron acceptors in order of most to least thermodynamically favorable includenitrate (NO3?), nitrite (NO2?),
lactate as fermentable carbon source
Hydrogen oxidizer
hydrogen as electron donor
May be use oxygen as electron acceptor,
derive energy for growth and maintenance from the reaction 2H2+O2?2H2O
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