Curriculum
Course: AQA A Level Biology 7402
Login

Curriculum

AQA A Level Biology 7402

1. Biological Molecules

0/102

2. Cell Structure

0/95

3. Exchange and Transport

0/98

4. Genetics, Variation and Interdependence

0/94

5. Energy Transfers In and Between Organisms (A Level only)

0/63

6. Organisms Respond to Changes in their Environments (A Level only)

0/93

7. Genetics, Populations, Evolution and Ecosystems (A Level only)

0/55

8. The Control of Gene Expression (A Level only)

0/72

9. Exam Guidance and Skills

0/38
Quiz

3.1.3 How Enzymes Work – Exam questions

Submit quiz
Once you submit, you will no longer be able to change your answers. Are you sure you want to submit the quiz?
Cancel Submit
  • Questions count: 4
  • Passing grade: B+
Start Quiz
1.

Enzymes work by

raising the activation energy
changing the products
lowering the activation energy
supplying energy
2.
The graph shows the changes in free energy before, during, and after a biochemical reaction. Which describes the effect of a catalytic enzyme on this reaction?
SAT Biology - Question 182
A
B
C
D
E
3.
Enzymes increase rate of reaction by
raising temperature
lowering activation energy
increasing substrate concentration
supplying energy
4.

The substrate binds to the enzyme’s

allosteric site only
active site
membrane
nucleus
  • 1
  • 2
  • 3
  • 4
Part of 1. Biological Molecules — see every lesson and quiz in this unit.
Accepted payment methods