JAMB Biology 2011 Question 20

Question 20

Food Substances and Enzymes

I. Test tube containing cane sugar and water
II. Test tube containing cane sugar and dilute acid
III. Test tube containing cane sugar and its degrading enzyme
The enzyme involved in the hydrolysis is

  1. A.sucrase
  2. B.maltase
  3. C.rennin
  4. D.erepsin.
Show the answer and explanation

Answer: A (sucrase)

Explanation

The enzyme that breaks down sucrose (cane sugar) is sucrase (invertase). Maltase acts on maltose, rennin on milk protein and erepsin on peptides.