PrepWisePrepWiseEnzymes in Digestion
OrganisationDiagram

Enzyme Structure and Function

Part of Enzymes in Digestion · GCSE GCSE Biology revision

This diagram covers Enzyme Structure and Function within Enzymes in Digestion for GCSE Biology. Enzyme structure and function, digestive enzymes, factors affecting enzyme activity, lock and key model, and practical investigations It is section 2 of 19 in this topic. Focus on the labels, the relationships between parts, and the explanation that turns the diagram into an exam-ready answer.

Topic position

Section 2 of 19

Practice

25 questions

Recall

25 flashcards

Enzyme Structure and Function

Show legacy SVG diagram Enzyme Active Site Substrate 1. Substrate approaches 2. Enzyme-Substrate Complex Perfect fit at active site 3. Products formed Substrate broken down 4. Products released Enzyme unchanged Lock and Key Model of Enzyme Action The enzyme's active site has a complementary shape to the substrate

Keep building this topic

Read this section alongside the surrounding pages in Enzymes in Digestion. That gives you the full topic sequence instead of a single isolated revision point.

The Chemical Breakdown ChampionsEnzyme Models: Lock and KeyBeyond GCSE: Induced Fit ModelWhere Digestive Enzymes Work

Practice Questions for Enzymes in Digestion

What are enzymes?

  • A. Carbohydrates that provide energy for cells
  • B. Biological catalysts that speed up chemical reactions
  • C. Proteins that are used up during digestion
  • D. Molecules that store genetic information
1 markfoundation

Explain the effect of increasing temperature on enzyme activity.

3 marksstandard

Quick Recall Flashcards

What does lipase do?
Breaks down lipids (fats) into fatty acids and glycerol. Produced by pancreas, works in small intestine.
What is an enzyme?
A biological catalyst that speeds up chemical reactions by lowering activation energy. Enzymes are proteins with specific 3D shapes.

25 questions on Enzymes in Digestion — practise free

Instant marking, adaptive difficulty, and 25 spaced repetition flashcards. Free until your GCSEs.

Try PrepWise Free

Previous

The Chemical Breakdown Champions

Next

Enzyme Models: Lock and Key