An advantage of biological washing powders is that they

  1. never denature
  2. work at lower temperatures, saving energy
  3. work only at boiling point
  4. remove all dyes
Answer

B) work at lower temperatures, saving energy

Enzymes digest stains at low temperatures. O Level Biology · Topic 18 Biotechnology and Genetic Modification · 18.1 Biotechnology

Biology MCQ · More O Level Biology: Biotechnology and Genetic Modification MCQs · Practise