Task: Text Categorization
Input (English): This substance is transported by a heterodimer of OST-alpha and OST-beta, and by NTCP and MRP2. One component of this substance is synthesized by 7-alpha hydroxylase and is conjugated to glycine or taurine. Cholestyramine is used to sequester one component of this substance, which is required to absorb vitamins A, D, E, and K. The vessels that carry this substance produce by gamma-glutamyl transferase and alkaline phosphatase; those vessels are called canaliculli. This substance contains degraded porphyrin, and it is secreted into the (*) intestines in order to emulsify fat droplets. This substance is produced in the liver and stored in the gallbladder. For 10 points, name this yellow substance which contains bilirubin, important in digestion.
Output (English): Science