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2.2 Animal tissues, organs and organ systems

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Question 43
F

One molecule of protease can break down many molecules of protein, one after another. Which statement explains why?

[1]
A

The protease is broken down and rebuilt after each reaction ends

B

The protease has many active sites, so it binds many substrates

C

The protease is made all the time by the small intestine lining

D

The protease is not changed by the reaction, so it is used again

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2.2 Animal tissues, organs and organ systems Questions

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

304 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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