Cambridge IGCSE Combined Science, topic 4
Biological molecules
Living things are built from a small set of large molecules: carbohydrates, fats and proteins. This topic covers the elements they contain, how they are built from smaller units, and the chemical tests used to identify them in food.
Revision notes
Worksheet
FlashcardsSubtopics
Work through them in order. Each one has notes, exam questions and flashcards, and a PDF of each. Subtopics that are not in 0653 are left out.
- 1Biological molecules Spec B4.1The elements in carbohydrates, fats and proteins, the smaller molecules they are built from, and the food tests.NotesQuestions 6Flashcards 11
Whole topic
When you have done the subtopics: test yourself on everything, or print the lot.