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2.2 Animal tissues, organs and organ systems

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Question 16
F

The rate of a reaction controlled by an enzyme increases when the temperature is raised from 15 °C to 35 °C. Which statement explains this increase?

[1]
A

The enzyme and substrate molecules collide with each other more often

B

The enzyme and substrate molecules both become smaller molecules

C

More enzyme molecules are made by the cells of the small intestine

D

The active site of the enzyme becomes larger than the substrate

Markscheme

2.2 Animal tissues, organs and organ systems Questions

  1. GCSE
  2. /Biology
  3. /2.2 Animal tissues, organs and organ systems

179 exam-style questions on AQA GCSE Biology 2.2 Animal tissues, organs and organ systems, covering 2.2.1 The human digestive system, 2.2.2 The heart and blood vessels, 2.2.3 Blood, 2.2.4 Coronary heart disease: a non-communicable disease, 2.2.5 Health issues, 2.2.6 The effect of lifestyle on some non-communicable diseases, and 2.2.7 Cancer. Each one has a worked solution and a mark scheme showing where the marks go.

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