Question

List all of the possible types of energy metabolism for prokaryotes as a group (not classes of organisms), and list the possible electron donors and electron acceptors for each. (Just list the general types of metabolism like "fermentation", not specific variations like "homolactic fermentation"). Which of these forms of energy metabolism can also be used by multicellular eukaryotes? Discuss how this difference in metabolic diversity affects the range of habitats that prokaryotes can inhabit compared with eukaryotes. Bonus: Imagine that you are sampling bacteria in a lake sediment, every millimeter from the aerobic sediment surface down to the strictly anaerobic zone. What metabolic kinds of bacteria could you find in each zone (habitat)?

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Answer 1

Answer:

1. There are two types of energy metabolisms are present prokaryotes.
   1. They are Photo auto trophic metabolism and Chemotrophic metabolism.
   2. In the photo auto trophic organisms the energy is taking from light.

• In the chemotrophic organisms the energy is taking from inorganic oxidation.

1. In these prokaryote organisms we have seen aerobic respiration and anaerobic respiration.
2. In the presence of oxygen and in the absence of oxygen conditions the prokaryotes will synthesize energy.

• In eukaryotes the energy is synthesized in the form of ATP in mitochondria cells.

1. In eukayotes the energy is in the form of ATP and NADPH.

• Comparing with the prokaryotes with eukaryotes the respiration will based on the different habitats

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