Wales GCSE Integrated Science Practice Questions - Made-for-Wales GCSE Integrated Science (Single Award) (WJEC) Exam

What is the main role of enzymes in digestion?

They provide energy for muscle contraction They transport oxygen in the blood They act as biological catalysts that speed up the breakdown of food molecules They store genetic information in chromosomes

Correct Answer:

They act as biological catalysts that speed up the breakdown of food molecules

Access more questions from this quiz

Continue to Wales GCSE Integrated Science Practice Questions - Made-for-Wales GCSE Integrated Science (Single Award) (WJEC) Exam for more practice questions and the full quiz experience.

Access More Questions