Multiple choice

Enzymes, vitamins and hormones can be classified into a single category of biological chemicals because all of these

  1. are exclusively synthesised in the body of a living organism

  2. enhance oxidative metabolism

  3. are conjugated proteins

  4. help in regulating metabolism

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Enzymes, vitamins and hormones can be classified into a single category of biological chemicals because all of these help in regulating metabolism.