glucose (d-glucose, dextrose) grape sugar molecule

glucose dextrose grape sugar sweet sweetness obesity diabetes carb carbohydrate monosaccharide blood plasma serum hexose glycation glycosylation glycosylated prediabetes mellitus brain starch cellulose glycogen polysaccharide pyranose hypoglycemia hyperglycemia transporter glut1 glut2 glycated hemoglobin hba1c carbon hydrogen oxygen molecule atoms atomic model molecular compound composition chemical chemistry bond structure formula circle ring line drawing skeletal