Which of the following best illustrates the form in which carbohydrates, proteins, and lipids, respectively, are transported in the bloodstream?

A) glucose, amino acids, and lipoproteins
B) glucose, dipeptides, and fatty acids
C) glycogen, tripeptides, and fatty acids
D) disaccharides, amino acids, and lipoproteins
E) glycogen, amino acids, and triglycerides