Choose the correct statement with respect to enzymes

• A

  When the apoenzyme is removed from holoenzyme, the remaining enzyme part can convert the substrate into into its products.

• B

  All enzymes are made of only proteins

• C

  Transferases belong to 3 rd class according to classification of enzymes

• D

  Behaviour of melonic acid on the activity of enzyme involved in dehydrogenation reaction is similar to statins on an enzyme involved in cholesterol synthesis.