High School

Which of the following pathways is used as an alternative glycolytic pathway by some cells, such as Pseudomonas aeruginosa?

A. Embden-Meyerhof-Parnas pathway
B. Entner-Duodoroff pathway
C. Phosphogluconate pathway
D. Pentose phosphate pathway

Answer :

The alternative glycolytic pathway used by Pseudomonas aeruginosa is the Entner-Duodoroff pathway. This pathway involves converting glucose to 6-phosphogluconate and then to pyruvate, generating energy in the process.

The alternative glycolytic pathway used by some cells, like Pseudomonas aeruginosa, is called the Entner-Duodoroff pathway.

This pathway is used by bacteria and archaea to break down glucose and generate energy. It is an alternative to the more common Embden-Meyerhof-Parnas (EMP) pathway. In the Entner-Duodoroff pathway, glucose is first converted to 6-phosphogluconate and then enters a series of reactions to produce pyruvate and generate energy.

Other pathways mentioned, such as the phosphogluconate pathway and the pentose phosphate pathway, are related metabolic pathways that play roles in cellular respiration and the production of nucleotides and reducing agents.

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