Answer and explanation

Correct answer: B. Absorbing water

  1. Step 1: The colon absorbs water and electrolytes and forms faeces. Answer: Absorbing water. Why not the others: Digesting proteins, Producing bile and Producing insulin don't fit.

Practise more Biochemistry and plant biology.

Free questions with an explanation for every one, and full timed Medical Entrance Exam (University of Iceland) mock tests.