Skip to content

Course home

Sign up

2.2 Animal tissues, organs and organ systems

EasyMediumHard
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960
Question 53
F82%

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

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.

Question bank