Cambridge IGCSE Combined Science practice

Paper 3 structured question: Enzymes

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Paper

Marks

Topic

Enzymes

Exam-style question

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Paper 3Theory (Core)3 marks

Enzymes are crucial for various metabolic processes in living organisms.

Description

Enzymes are proteins that act as biological catalysts, speeding up chemical reactions in the body.

a
Explain the role of enzymes in metabolic processes.
Your answer
Aim for approximately 3 distinct marking points.
[3]

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Paper 3Theory (Core)3 marks

Description

Enzymes can be influenced by temperature, pH, and substrate concentration.

a
Discuss the factors that affect enzyme activity.
Your answer
Aim for approximately 3 distinct marking points.
[3]