IAL Edexcel Linear
The complete IAL EDEXCEL LINEAR Biology syllabus by syllabus section, ordered exactly as the official specification. Study in English with ...
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The IAL EDEXCEL LINEAR Biology course covers the full prescribed syllabus across its published syllabus sections, following the official specification order.
Each unit gives you a clear explanation, worked examples solved step by step, and then an original question bank written in the style of IAL EDEXCEL LINEAR questions.
Lessons, scientific terminology and assessments are presented in English.
The course suits both first-time students and those revising before the exam, and is available on mobile and desktop at any time. Contact us through the site to confirm pricing for you or your group.
Unit 1: Lifestyle, Transport, Genes and Health
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1
Unit 1 — Complete A Level and AS source notes -
2
1.1 SNAB The Circulatory System
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3
Inheritance and gene regulation — topical practice (4 questions) -
4
1.2 SNAB Diet & Health
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5
1.2 SNAB Diet & Health - Check yourself
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6
1.3 SNAB Gas Exchange, Cell Membranes & Transport
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7
SNAB Gas Exchange, Cell Membranes & Transport - Check yourself
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8
1.4 SNAB Proteins
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9
SNAB Proteins - Check yourself
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10
1.5 SNAB Nucleic Acids
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11
SNAB Nucleic Acids - Check yourself
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12
1.6 SNAB Inheritance
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13
Unit 1 — Molecules, Diet, Transport and Health - Check yourself
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14
Unit 1 - Assignment: Molecules, Diet, Transport and Health -
15
1.1.1 The Importance of Water
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16
1.1.2 Saccharides
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17
1.1.3 Core Practical 1: Estimating the Concentration of Sugars and Starch
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18
1.1.4 Condensation and Hydrolysis
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19
1.1.5 Triglycerides and Ester Bonds
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20
1.2.1 The Need for a Circulatory System
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21
1.2.2 Blood Vessels: Structure and Function
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22
1.2.3 The Cardiac Cycle
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23
1.2.4 The Role of Haemoglobin
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1.2.5 Atherosclerosis
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25
1.2.6 Blood Clotting
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26
1.3.1 Reducing Risk Factors of CVD
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27
1.3.2 Dietary Antioxidants and CVD
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28
1.3.3 Core Practical 2: Investigate the Vitamin C Content of Food and Drink
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29
1.3.4 Interpreting Data on Risk Factors
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30
1.3.5 Designing Studies into the Effects of Risk Factors
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31
1.3.6 Perception of Risk vs Actual Risk
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32
1.3.7 Data on Cholesterol and Lipoproteins
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33
1.3.8 Data on Effect of Diet
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34
1.3.9 Treatments for CVD: Benefits and Risks
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35
7.1.4 The Electron Transport Chain
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36
8.4.4 Identification of Active Genes
Unit 2: Cells, Development, Biodiversity and Conservation
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37
2.0 Overview: Cells, Development, Biodiversity and Conservation
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38
Unit 2 — Complete A Level and AS source notes
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39
2.1 SNAB Cell Structure & Organisation
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40
SNAB Cell Structure & Organisation - Check yourself
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41
2.2 SNAB Reproduction & Inheritance
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42
Mitosis and stem cells — image-based practice (1 question)
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43
2.3 SNAB Cell Division
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44
SNAB Cell Division - Check yourself
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45
2.4 SNAB Differentiation & Variation
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46
SNAB Differentiation & Variation - Check yourself
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47
2.5 SNAB Biodiversity
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48
SNAB Biodiversity - Check yourself
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49
2.6 SNAB Resources from Plants
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50
2.6 SNAB Resources from Plants — Notes – Exam questions
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51
Cells, Development, Biodiversity and Conservation — Past papers
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52
Unit 2 - Assignment: Cells, Development, Biodiversity and Conservation
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53
2.1.1 Properties of Gas Exchange Surfaces
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54
2.1.3 Core Practical 3: Investigating Membrane Structure and Permeability
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55
2.1.4 Osmosis
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56
2.1.5 Diffusion, Facilitated Diffusion and Active Transport
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57
2.2.1 Amino Acids, Proteins and Protein Structure
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58
2.2.2 Enzymes - Roles and Modes of Action
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59
2.2.3 Core Practical 4 - Investigating the Rate of Enzyme Reactions
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60
2.2.4 Nucleotides, DNA and RNA, Base Pairing
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61
2.3.1 DNA Replication
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62
2.3.2 The Nature of the Genetic Code
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63
2.3.3 How Bases Code for a Polypeptide Chain
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64
2.3.4 Transcription and Translation
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65
2.4.1 Mutations
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66
2.4.2 Patterns of Inheritance and Sex Linkage
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67
2.4.3 Cystic Fibrosis
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68
2.4.4 Genetic Screening
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2.4.5 Ethical and Social Issues of Genetic Screening
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70
8.4.3 Transfer of Recombinant DNA into Other Cells
Unit 3: Practical Skills in Biology I
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71
3.1 Practical Skills in Biology I
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72
Practical Skills in Biology I — Past papers
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73
3.2 Using a light microscope and cell ultrastructure
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74
3.2 Using a light microscope and cell ultrastructure – Exam questions
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75
Unit 3 — Practical Skills in Biology I - Check yourself
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76
Unit 3 - Assignment: Practical Skills in Biology I
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77
3.1.1 Cell Theory
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78
3.1.2 Levels of Organisation of Cells
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79
3.1.3 Eukaryotic Cells
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80
3.1.4 The Rough Endoplasmic Reticulum and Golgi
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81
3.1.5 Prokaryotic Cells
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82
3.1.6 Electron Microscopy of Animal Cells
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83
3.1.7 Microscopy - Magnification and Resolution
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84
3.1.8 Core Practical 5 - Light Microscopy
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85
3.2.1 Gene Locus
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86
3.2.10 Cell Specialisation
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87
3.2.11 Post-Transcriptional Changes to mRNA
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88
3.2.12 Gene Interaction and Epigenetics
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89
3.2.13 Polygenic Inheritance and Continuous Variation
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90
3.2.2 Meiosis and Variation
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91
3.2.3 Mammalian Gametes
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92
3.2.4 Fertilisation in Mammals
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93
3.2.5 Fertilisation in Flowering Plants
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94
3.2.6 The Cell Cycle and Mitosis
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95
3.2.7 Core Practical 6: Observing the Stages of Mitosis
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96
3.2.8 Calculation of Mitotic Index
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97
3.2.9 Stem Cells and Cell Potency
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98
7.1.7 Core Practical 15: Investigation of Respiration in Yeast
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99
7.1.8 Core Practical 16: Respirometer to Calculate RQ
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100
7.2.7 Core Practical 17: The Effects of Exercise
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101
8.2.2 Core Practical 18: Amylase in Germinating Cereal Grains
Unit 4: Energy, Environment, Microbiology and Immunity
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102
Unit 4 — Complete A Level and AS source notes
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103
4.1 Photosynthesis
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104
Photosynthesis - Check yourself
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105
4.2 Ecosystems & Energy Transfer
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106
Ecosystems & Energy Transfer - Check yourself
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107
4.3 Climate Change
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108
4.4 Evolution
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109
Evolution - Check yourself
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110
4.5 Microorganisms & Immunity
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111
Microorganisms & Immunity - Check yourself
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112
4.6 Forensics
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113
4.6 Forensics – Exam questions
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114
Unit 4 - Assignment: Energy, Environment, Microbiology and Immunity
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115
4.1.1 Plant Cell Structure
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116
4.1.2 Electron Microscopy of Plant Cells
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117
4.1.3 Starch and Cellulose: Structure and Function
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118
4.1.4 Properties of Cellulose and Plant Fibres
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119
4.1.5 The Vascular Structure of Plants
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120
4.1.6 Core Practical 7: Identifying Tissue Types Within Stems
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121
4.2.1 Plant-Based Products for Sustainability
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122
4.2.2 Water and Inorganic Ions in Plants
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123
4.2.3 Core Practical 8: Determining the Tensile Strength of Plant Fibres
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124
4.3.1 Bacterial Growth Conditions
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125
4.3.2 Plant Products with Antimicrobial Properties
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126
4.3.3 Core Practical 9: Antimicrobial Properties of Plants
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127
4.3.4 Development of Drugs and Drug Testing
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128
4.4.1 The Three Domains of Life
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129
4.4.2 The Variety of Life
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130
4.4.3 Biodiversity and Endemism
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131
4.4.4 Species Richness and Heterozygosity Index
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132
4.4.5 Index of Biodiversity
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133
4.4.6 Ecological Niches and Adaptations
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134
4.4.7 Hardy-Weinberg Equation
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135
4.4.8 Roles of Seed Banks and Zoos in Conservation
Unit 5: Respiration, Internal Environment, Coordination and Gene Technology
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136
Unit 5 — Complete A Level and AS source notes
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137
5.1 Muscles & Movement
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138
Muscles & Movement - Check yourself
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139
5.2 Respiration
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140
Respiration - Check yourself
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141
5.3 Exercise
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142
Exercise - Check yourself
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143
5.4 Homeostasis
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144
5.5 Response to the Environment
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145
Response to the Environment - Check yourself
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146
5.6 The Brain, Behaviour & Disease
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147
5.6 The Brain, Behaviour & Disease – Exam questions
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148
IAL Biology Linear Unit 5 - Assignment: Respiration, Internal Environment, Coordination and Gene Technology
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149
5.1.1 Photosynthesis: Overview
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150
5.1.2 The Role of ATP in Photosynthesis
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151
5.1.3 Photosynthesis: Light-Dependent Stage
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152
5.1.4 Photosynthesis: Light-Independent Stage
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153
5.1.5 Chloroplasts
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154
5.1.6 Absorption and Action Spectra
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155
5.1.7 Separation of Photosynthetic Pigments with Chromatography
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156
5.1.8 Core Practical 10: Rate of Photosynthesis
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157
5.2.1 Ecological Productivity
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158
5.2.2 Energy and Biomass Transfers
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159
5.2.3 Ecology: Key Terms
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160
5.2.4 Factors Affecting Populations
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161
5.2.5 Niche
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162
5.2.6 Core Practical 11: Quadrat and Transect Study
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163
5.2.7 Ecological Succession
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164
5.3.1 Evidence for Climate Change
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165
5.3.10 Contentious Issues in Environmental Science
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166
5.3.11 Examples of Sustainable Conservation
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167
5.3.2 Anthropogenic Climate Change
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168
5.3.3 Carbon Cycle and Environmental Management
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169
5.3.4 Models for Predicting Climate Change
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170
5.3.5 How Climate Change Affects Species
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171
5.3.6 The Effect of Temperature on Enzyme Reactions
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172
5.3.7 Core Practical 12: Effect of Temperature on Development
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173
5.3.8 Mutation, Natural Selection and Evolution
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174
5.3.9 Isolation and Speciation
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175
7.1.1 Overview of Respiration
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176
7.3.7 Control of Gene Expression
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177
8.2.3 Nervous and Hormonal Coordination
Unit 6: Practical Skills in Biology II
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178
6.1 Practical Skills in Biology II
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179
Practical Skills in Biology II — Past papers
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180
Unit 6 — Practical Skills in Biology II - Check yourself
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181
IAL Biology Linear Unit 6 - Assignment: Practical Skills in Biology II
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182
6.1.1 Culturing Microorganisms
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183
6.1.2 Measuring the Growth of Microorganisms
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184
6.1.3 The Bacterial Growth Curve
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185
6.1.4 Core Practical 13: Rate of Growth of Microorganisms
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186
6.1.5 Comparison of Bacterial and Viral Structure
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187
6.2.1 Tuberculosis and HIV
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188
6.2.2 Pathogens: Routes of Entry
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189
6.2.3 Non-Specific Immune Responses
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190
6.2.4 Specific Immune Responses
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191
6.2.5 Lymphocytes: Types and Roles
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192
6.2.6 Developing Immunity
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193
6.2.7 Pathogens vs Hosts: An Evolutionary Race
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194
6.3.2 Core Practical 14: The Effects of Different Antibiotics
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195
6.3.3 Current Usage of Antibiotics
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196
6.4.1 The Role of Microorganisms
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197
6.5.1 Polymerase Chain Reaction
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198
6.5.2 Gel Electrophoresis in Forensics
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199
6.5.3 DNA Profiling
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200
6.5.4 Types of Data Provided by Forensic Analysis
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201
7.1.3 Link Reaction and Krebs Cycle
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202
7.1.6 Respiratory Quotient
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203
7.2.1 The Musculoskeletal System
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204
7.2.2 The Muscle Fibre
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205
7.2.3 The Process of Skeletal Muscle Contraction
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206
7.2.4 The Role of Muscle in the Cardiac Cycle
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207
7.2.5 Calculation of Cardiac Output
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208
7.2.6 The Role of Adrenaline
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209
7.3.1 Negative and Positive Feedback
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210
7.3.3 The Kidney: Structure
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211
7.3.4 Urea as a Waste Product
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212
7.3.5 Selective Reabsorption in the Kidney
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213
7.3.6 Hormones in Osmoregulation
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214
8.1.1 Neurones: Types and Functions
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215
8.1.10 Central and Peripheral Nervous System
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216
8.1.2 How a Response Is Generated by Effectors
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217
8.1.3 The Reflex Arc
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218
8.1.4 The Nerve Impulse
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219
8.1.5 Myelination and Saltatory Conduction
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220
8.1.6 Synapses and Neurotransmitters
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221
8.1.7 The Effects of Drugs on Nervous Transmission
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222
8.1.8 Detection of Stimuli
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223
8.1.9 Habituation
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224
8.2.1 Effects of Plant Hormones
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225
8.4.1 Drug Production from Genetically Modified Organisms
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226
8.4.2 Recombinant DNA
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227
8.4.5 Bioinformatics
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228
8.4.6 Risks and Benefits of Using GMOs
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