Multiple choice

Which of the following is the most abundant protein in the whole of the biosphere?

  1. Collagen

  2. Keratin

  3. Ribulose bisphosphate Carboxylase-Oxygenase

  4. Glucose-6-phosphatase

  5. Inulin

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

Ribulose bisphosphate Carboxylase-Oxygenase (RuBisCO) is the most abundant protein in the whole of the biosphere.