Categorize the following: Aerobic respiration, Anaerobic respiration, Fermentati

Question

Categorize the following: Aerobic respiration, Anaerobic respiration, Fermentation, None of these .Assume in all cases that these processes follow breakdown of glucose by glycolysis.

Results in complete oxidation of glucose to CO2 Involves regeneration of reduced co-factors (e.g. regenerating NAD+ from NADH)

Generates energy by substrate level phosphorylation only

Generates ATP by oxidative phosphorylation

Utilizes an electron transport chain

Uses molecules such as NO3 - , SO4 2- , or Fe3+ as terminal electron acceptors

Products include organic acids, alcohols, and/or H2

Produces the most ATP of these three processes (with glucose as the e- donor)

Organisms relying on this process cannot produce a proton motive force

Provides energy (ATP) to drive anabolic reactions

Explanation / Answer

1. Results in complete oxidation of glucose to CO2 Involves regeneration of reduced co-factors (e.g. regenerating NAD+ from NADH) ---- Aerobic respiration only.

2. Generates energy by substrate level phosphorylation only --- Anaerobic respiration and Fermentation

3. Generates ATP by oxidative phosphorylation ---- Aerobic respiration only

4. Utilizes an electron transport chain ---- Part of Oxidative phosphorylation in Aerobic respiration only.

5. Uses molecules such as NO3 - , SO4 2- , or Fe3+ as terminal electron acceptors --- Anaerobic respiration in bacteria living without oxygen

6. Products include organic acids, alcohols, and/or H2 --- Anaerobic respiration and Fermentation

Aerobic res piration coupled with Electron transport chain in a functioning Mitochondria -- produces the most ATP of these three processes (with glucose as the e- donor)

Bacteria that rely on fermentative process for growth cannot generate proton motive force provides energy (ATP) to drive anabolic reactions.

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