Blood Other glucose Glycoproteins monosaccharides Sucrose Glycogen Disaccharides Starch Glucose 6-phosphate Animals Plants Phosphoenolpyruvate Citric acid 由简单前体合成 cle Pyruvate Glucogenic Glycerol 3-Phosphoglycerate amino Lactate Triacylglycerols fixation由简单前体合成糖