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Topic plan · A-Level Biology 9700 · Topic 2

Biological molecules

Tests for biological molecules, carbohydrates and lipids, proteins, and the properties of water.

Open the topic lab Question bank Notes PDF
Unit at a glance

5 lessons, 225 minutes of teaching

Lessons
5, each planned for 45 minutes
Worksheets
5 with answer keys
Quiz questions
40 multiple-choice, assignable in the app
Lab
Biological molecules lab
Scheme of work

The lessons in order

RefLesson packStructureWorksheetQuizLab tab
2.1Testing for biological molecules
Before you can talk about what a molecule does, you need to know it is there.		Jigsaw6 Q, 19 marks8 MCQtab 7
2.2Carbohydrates
Starch, glycogen and cellulose are all made of nothing but glucose, yet one is a plant energy store, one is an animal energy store and one holds up a tree.		Corners6 Q, 18 marks8 MCQtab 1, tab 2, tab 3
2.2Lipids
Triglycerides store twice as much energy per gram as carbohydrate and repel water completely.		Frayer Model6 Q, 17 marks8 MCQtab 4
2.3Proteins
Twenty amino acids, one type of bond between them, and yet proteins carry oxygen, catalyse reactions and hold your skeleton together.		Connect-Extend-Challenge6 Q, 20 marks8 MCQtab 5
2.4Water
Water is a tiny molecule that should be a gas at room temperature.		Round Table6 Q, 16 marks8 MCQtab 6

Each pack holds the plan, worksheet and quiz for its lesson. Teach the rows in order; the lab tabs match the student lessons.

Also for this topic

Topic resources

Topic labBiological molecules lab Question bank40 questions across the topic Revision notesOne page per lesson Notes PDFPrintable topic notes Student syllabus pageBiological molecules Practical trainerBiological drawing Practical trainerMagnification and scale Practical trainerPaper 5 set-up builders Practical trainerEnzyme and osmosis investigations Practical trainerPaper 3 workout: catalase and substrate concentration Practical trainerPaper 3 workout: temperature and beetroot membranes