Multiple choice

Match the cell organelles in Column I with that of their enzymes in Column II.

  1. A – ii, B – iii, C – iv, D - i

  2. A – iii, B – iv, C – ii, D – i

  3. A – iv, B – iii, C – ii, D – i

  4. A – iv, B – ii, C – iii, D – i
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

 Peroxisomes contain oxidative enzymes, such as catalase, D-amino acid oxidase, and uric acid oxidase. However the last enzyme is absent in humans, explaining the disease known as gout, caused by the accumulation of uric acid. Certain enzymes within the peroxisome, by using molecular oxygen, remove hydrogen atoms from specific organic substrates, in an oxidative reaction, producing hydrogen peroxide (H2O2, itself toxic).

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