Questions I need to remember

Question 1

Which of the follow porphyrin derivatives reacts directly with van den Bergh reaction, and is a major component of bile?

Answer 1

Bilirubin diglcuronide
(Van den Bergh reaction is a chemical reaction used to measure bilirubin levels in blood. More specifically, it determines the amount of conjugated bilirubin in the blood.)

Question 2

Which of the following matches accurately the hemoglobin metabolism?

Answer 2

globin broken down into amino acids
(heme is not reused to form new hemoglobin molecules; instead it is broken down into bilirubin which is excreted in bile)