Companion PDF worksheet for Edexcel IGCSE Biology Lecture 5 - Biological Molecules. Contains short answer questions, an activity requiring lateral thinking and exam-style questions.
Covers the following in a modern, concise format:
Specification Point 2.7 - Identify the chemical elements present in carbohydrates, proteins and lipids.
Specification Point 2.8 - Describe the structure of carbohydrates, proteins and lipids as large molecules made up from smaller basic units.
Complete set of Chapter 1 Worksheets are available.
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