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**Hint:**EMP pathway which stands for Embden - Meyerhof - Parnas Pathway was discovered by Otto Meyerhof, Jakub Karol Parnas, and Gustav Embden. For biosynthesis, in addition to providing a carbon source, the Entner-Doudoroff (ED) and the classical EMP pathways help to satisfy energy demand by generating ATP during glucose metabolism.

**Complete answer:**

EMP pathway is also known as Glycolysis. Glycolysis is a catabolic process where the six-carbon sugars (hexoses) are oxidized and broken down into pyruvate molecules and it literally means the breakdown of sugar. The corresponding anabolic pathway by which glucose is synthesized is termed as gluconeogenesis. Both gluconeogenesis and glycolysis are not the major reductive or oxidative processes by themselves, with one step in each one involving loss or gain of electrons, but pyruvate, which is the product of glycolysis, can be completely oxidized to carbon dioxide. In most organisms, glycolysis occurs in the cytosol. The Embden–Meyerhof–Parnas (EMP) pathway is the most common type of glycolysis. Glycolysis also refers to other pathways, like the Entner–Doudoroff pathway and various homofermentative and heterofermentative pathways.

This pathway allows the metabolic use of the glucose to generate several biosynthetic precursors like pyruvate or 3-phosphoglycerate, NADH and ATP. The EMP pathway can occur both anaerobically and aerobically through the connection with tricarboxylic acids cycle and the conversion of the pyruvate to acetyl CoA.

**Hence, the correct answer is option (A).**

**Note:**The classical version of the EMP pathway is present in eukaryotes and bacteria whereas many modified versions of the EMP are present in anaerobic archaea. The second half of the pathway is almost universal, and therefore, it could represent oldest part of the pathway, related to a primordial origin of the gluconeogenesis.

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