1 pts Gluconeogenesis is a pathway that synthesizes glucose from simple molecule

Question

1 pts Gluconeogenesis is a pathway that synthesizes glucose from simple molecules. Pick the BEST TRUE statement about the gluconeogenesis pathway and its regulation. O a. Glycolysis and gluconeogenesis use the same enzymes to carry out reciprocal reactions. O b. Gluconeogenesis is only regulated by blood glucose levels. O c. All the steps of gluconeogenesis occur in the cytoplasm. O d. Gluconeogenesis must be coordinated with glycolysis and the pentose phosphate pathway to keep cell energy supplies, catabolism and anabolism balanced. e. Gluconeogenesis primarily occurs in brain tissue to keep the brain supplied with glucose.

Explanation / Answer

1)A

2)C ATP and NADPH are used to convert the six molecules of 3-PGA into six molecules of a chemical called glyceraldehyde 3-phosphate (G3P). This is a reduction reaction because it involves the gain of electrons by 3-PGA. Recall that a reduction is the gain of an electron by an atom or molecule. Six molecules of both ATP and NADPH are used.

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