Multiple choice

Phosphorus has an important role in constituting certain structures. Which of the following is/are not among them?

  1. Cell membrane

  2. Auxin

  3. Nucleic acid

  4. Phospholipids

  5. None of these

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

Auxins are not constituted by phosphorus, but are synthesised by zinc.