Eduqas Biology for A Level Book 1: 2nd Edition

Contents Introduction 4 Use of lab book 11 Component 1 1.1 Chemical elements and biological compounds 12 1.2 Cell structure and organisation 32 1.3 Cell membranes and transport 53 1.4 Enzymes and biological reactions 73 1.5 Nucleic acids and their functions 94 1.6 The cell cycle and cell division 111 Answering Examination Questions 131 Exam practice questions 132 Component 2 2.1 Classification and biodiversity 136 2.2 Adaptations for gas exchange 164 2.3a Adaptations for transport in animals 187 2.3b Adaptations for transport in plants 208 2.4 Adaptations for nutrition 228 Answering Examination Questions 246 Exam practice questions 247 Knowledge check answers 250 Theory check answers 251 Test Yourself answers 253 Exam practice answers 260 Explanation of the Common Practical Assessment Criteria 263 Glossary 264 Index 268 Contents 3