Multiple choice

There are 20 different amino acids known. The amino acids cysteine and methionine contain the following common element _________.

  1. magnesium

  2. potassium

  3. phosphorus

  4. sulphur

  5. iron

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

Sulphur is present in 2 amino acids cysteine and methionine.