Question

The color of urine ranges from almost clear to dark yellow, depending on the concentration of pigment from _______.

1) Hemoglobin
2) Bilirubin
3) Melanin
4) Chlorophyll

Answer 1

Bilirubin is where the color comes from

Answer 2

The color of urine ranges from almost clear to dark yellow, depending on the concentration of pigment from urochrome, which is a water-soluble form of the breakdown product of hemoglobin.

Step-by-step explanation:

The color of urine ranges from almost clear to dark yellow, depending on the concentration of pigment from urochrome, which is a water-soluble form of the breakdown product of hemoglobin. The liver converts the heme of hemoglobin into urochrome, which is excreted into the urine. Other factors such as certain foods and medical conditions like liver diseases or obstructions of bile drainage can also affect the color of urine.