Evolution favor glucose as the blood sugar

1. Why did evolution favor glucose as the blood sugar, rather than other sugars (e.g., galactose, fructose, or sucrose)? 2. Explain the metabolic origin of acidosis in chronic obstructive pulmonary disease. 3. Explain the different roles of the pentose phosphate pathway in erythrocytes and nucleated cells. 4. Explain the origin of drug-induced hemolytic anemia in persons with G6PD deficiency.