Question Detail

ZOO 101 ZOO 101 Past Questions Objective Question

Question

The liver breaks down worn-out red blood cells. Part of the haemoglobin molecule is found in:
Options
A Urine
B Sweat
C Bile
Correct Answer
D Carbon dioxide exhaled
Correct Answer

Option C is the correct answer.

Detailed Explanation

When the liver breaks down worn-out red blood cells, part of the haemoglobin molecule (the heme portion) is converted to bilirubin and biliverdin, which are excreted in bile. These bile pigments give bile and faeces their characteristic colour.

Hint

The breakdown products of hemoglobin are excreted in this digestive fluid.

Question Info