1. Unity and Diversity
1.3.1 Conditions on Early Earth1.3.2 Cells as Smallest Units of Life1.3.3 Spontaneous Origin of Cells1.3.4 Evidence for Origin of Carbon Compounds1.3.5 Formation of Vesicles1.3.6 RNA as First Genetic Material1.3.7 Evidence for Last Universal Common Ancestor (LUCA)1.3.8 Estimation of Dates1.3.9 LUCA's Evolution near Hydrothermal Vents
1.4.1 Cells as Basic Structural Units1.4.2 Microscopy Skills1.4.3 Developments in Microscopy1.4.4 Structures Common to All Cells1.4.5 Prokaryote Cell Structure1.4.6 Eukaryote Cell Structure1.4.7 Processes in Unicellular Organisms1.4.8 Differences in Eukaryotic Cell Structure1.4.9 Atypical Cell Structure1.4.10 Cell Types and Structures in Micrographs1.4.11 Drawing and Annotation1.4.12 Origin of Eukaryotic Cells1.4.13 Cell Differentiation1.4.14 Evolution of Multicellularity
1.8.1 Evolution as Change in Heritable Characteristics1.8.2 Evidence for Evolution from Sequences1.8.3 Evidence for Evolution from Selective Breed1.8.4 Evidence for Evolution from Homologous Structures1.8.5 Convergent Evolution1.8.6 Speciation by Splitting of Pre-existing Species1.8.7 Roles of Reproductive Isolation and Differential Selection in Speciation1.8.8 Differences and Similarities between Sympatric and Allopatric Speciation1.8.9 Adaptive Radiation as a Source of Biodiversity1.8.10 Barriers to Hybridization and Sterility of Interspecific Hybrids1.8.11 Abrupt Speciation in Plants by Hybridization and Polyploidy
1.9.1 Biodiversity Definition1.9.2 Comparisons between Current and Past Biodiversity1.9.3 Causes of Anthropogenic Species Extinction1.9.4 Causes of Ecosystem Loss1.9.5 Evidence for a Biodiversity Crisis1.9.6 Causes of the Current Biodiversity Crisis1.9.7 Approaches to Biodiversity Conservation1.9.8 Selection of EDGE Species for Conservation
1.3.1 Conditions on Early Earth1.3.2 Cells as Smallest Units of Life1.3.3 Spontaneous Origin of Cells1.3.4 Evidence for Origin of Carbon Compounds1.3.5 Formation of Vesicles1.3.6 RNA as First Genetic Material1.3.7 Evidence for Last Universal Common Ancestor (LUCA)1.3.8 Estimation of Dates1.3.9 LUCA's Evolution near Hydrothermal Vents
1.4.1 Cells as Basic Structural Units1.4.2 Microscopy Skills1.4.3 Developments in Microscopy1.4.4 Structures Common to All Cells1.4.5 Prokaryote Cell Structure1.4.6 Eukaryote Cell Structure1.4.7 Processes in Unicellular Organisms1.4.8 Differences in Eukaryotic Cell Structure1.4.9 Atypical Cell Structure1.4.10 Cell Types and Structures in Micrographs1.4.11 Drawing and Annotation1.4.12 Origin of Eukaryotic Cells1.4.13 Cell Differentiation1.4.14 Evolution of Multicellularity
1.8.1 Evolution as Change in Heritable Characteristics1.8.2 Evidence for Evolution from Sequences1.8.3 Evidence for Evolution from Selective Breed1.8.4 Evidence for Evolution from Homologous Structures1.8.5 Convergent Evolution1.8.6 Speciation by Splitting of Pre-existing Species1.8.7 Roles of Reproductive Isolation and Differential Selection in Speciation1.8.8 Differences and Similarities between Sympatric and Allopatric Speciation1.8.9 Adaptive Radiation as a Source of Biodiversity1.8.10 Barriers to Hybridization and Sterility of Interspecific Hybrids1.8.11 Abrupt Speciation in Plants by Hybridization and Polyploidy
1.9.1 Biodiversity Definition1.9.2 Comparisons between Current and Past Biodiversity1.9.3 Causes of Anthropogenic Species Extinction1.9.4 Causes of Ecosystem Loss1.9.5 Evidence for a Biodiversity Crisis1.9.6 Causes of the Current Biodiversity Crisis1.9.7 Approaches to Biodiversity Conservation1.9.8 Selection of EDGE Species for Conservation
2. Form and functionPremium
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2.2.1 Amino Acids and Peptide Formation2.2.2 Protein Diversity and Structure2.2.3 Chemical Diversity in R-groups2.2.4 Protein Conformation2.2.5 Tertiary and Quaternary Structures2.2.6 Form, Function, and Environment2.2.7 Proteins in Biological Processes2.2.8 Advanced Protein Structures and Functions
2.3.1 Lipid Bilayers as Basis of Cell Membranes2.3.2 Simple Diffusion Across Membranes2.3.3 Integral and Peripheral Proteins in Membranes2.3.4 Water Movement Across Membranes and Osmosis2.3.5 Selective Permeability and Channel Proteins2.3.6 Membrane Composition and Fluidity2.3.7 Membrane Structure and Function2.3.8 Active Transport and Pump Proteins2.3.9 Additional Membrane Processes
2.2.1 Amino Acids and Peptide Formation2.2.2 Protein Diversity and Structure2.2.3 Chemical Diversity in R-groups2.2.4 Protein Conformation2.2.5 Tertiary and Quaternary Structures2.2.6 Form, Function, and Environment2.2.7 Proteins in Biological Processes2.2.8 Advanced Protein Structures and Functions
2.3.1 Lipid Bilayers as Basis of Cell Membranes2.3.2 Simple Diffusion Across Membranes2.3.3 Integral and Peripheral Proteins in Membranes2.3.4 Water Movement Across Membranes and Osmosis2.3.5 Selective Permeability and Channel Proteins2.3.6 Membrane Composition and Fluidity2.3.7 Membrane Structure and Function2.3.8 Active Transport and Pump Proteins2.3.9 Additional Membrane Processes
3. Interaction and InterdependancePremium
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3.1.1 Understanding Enzymes and Metabolism3.1.2 Factors Affecting Enzyme Activity3.1.3 Enzyme Kinetics and Activation Energy3.1.4 Intracellular and Extracellular Enzymes3.1.5 Pathways in Metabolism3.1.6 Competitive, Non-competitive Inhibition and Feedback Inhibition3.1.7 Enzyme Inhibition and Resistance
3.2.1 ATP and Cell Respiration3.2.2 Anaerobic vs. Aerobic Respiration3.2.3 Investigating Cell Respiration3.2.4 Role of NAD in Oxidation-Reduction3.2.5 Glycolysis and Lactate Formation3.2.6 Anaerobic Respiration in Yeast3.2.7 The Krebs Cycle and Electron Transport3.2.8 Chemiosmosis and ATP Synthesis3.2.9 Oxygen's Role and Respiratory Substrates
3.3.1 Energy Transformation in Photosynthesis3.3.2 Photosynthetic Pigments and Light Absorption3.3.3 Investigating Photosynthesis Limiting Factors3.3.4 Predicting Photosynthesis and Plant Growth3.3.5 Photosystems and Pigment Arrays3.3.6 Oxygen Generation and ATP Production3.3.7 NADP Reduction and Thylakoid Functions3.3.8 The Calvin Cycle and Carbon Fixation3.3.9 Interdependence of Photosynthetic Reactions
3.4.1 Receptors and Ligands in Chemical Signalling3.4.2 Diversity and Function of Signalling Chemicals3.4.3 Localization and Impact of Signalling Molecules3.4.4 Receptor Types and Signal Transduction3.4.5 Transmembrane Receptors and Cellular Responses3.4.6 Hormone-Receptor Interactions and Cellular Effects3.4.7 Intracellular Receptors and Gene Expression
3.5.1 Neurons and Their Role in the Nervous System3.5.2 Resting and Action Potentials in Neurons3.5.3 Speed Variations in Nerve Impulse Transmission3.5.4 Synaptic Transmission and Neurotransmitters3.5.5 Action Potential Dynamics3.5.6 Advanced Neural Signalling Techniques3.5.7 Exogenous Chemicals and Neural Regulation3.5.8 Complex Neural Interactions and Consciousness
3.6.1 System Integration and Coordination3.6.2 Hormonal and Nervous Signalling3.6.3 Central Information Processing3.6.4 Sensory Input and Motor Output3.6.5 Reflex Arcs and Movement Coordination3.6.6 Circadian Rhythms and Hormonal Secretion3.6.7 Endocrine System Control3.6.8 Feedback Mechanisms in Body Regulation3.6.9 Plant Responses and Phytohormones3.6.10 Positive Feedback in Plant Processes
3.1.1 Understanding Enzymes and Metabolism3.1.2 Factors Affecting Enzyme Activity3.1.3 Enzyme Kinetics and Activation Energy3.1.4 Intracellular and Extracellular Enzymes3.1.5 Pathways in Metabolism3.1.6 Competitive, Non-competitive Inhibition and Feedback Inhibition3.1.7 Enzyme Inhibition and Resistance
3.2.1 ATP and Cell Respiration3.2.2 Anaerobic vs. Aerobic Respiration3.2.3 Investigating Cell Respiration3.2.4 Role of NAD in Oxidation-Reduction3.2.5 Glycolysis and Lactate Formation3.2.6 Anaerobic Respiration in Yeast3.2.7 The Krebs Cycle and Electron Transport3.2.8 Chemiosmosis and ATP Synthesis3.2.9 Oxygen's Role and Respiratory Substrates
3.3.1 Energy Transformation in Photosynthesis3.3.2 Photosynthetic Pigments and Light Absorption3.3.3 Investigating Photosynthesis Limiting Factors3.3.4 Predicting Photosynthesis and Plant Growth3.3.5 Photosystems and Pigment Arrays3.3.6 Oxygen Generation and ATP Production3.3.7 NADP Reduction and Thylakoid Functions3.3.8 The Calvin Cycle and Carbon Fixation3.3.9 Interdependence of Photosynthetic Reactions
3.4.1 Receptors and Ligands in Chemical Signalling3.4.2 Diversity and Function of Signalling Chemicals3.4.3 Localization and Impact of Signalling Molecules3.4.4 Receptor Types and Signal Transduction3.4.5 Transmembrane Receptors and Cellular Responses3.4.6 Hormone-Receptor Interactions and Cellular Effects3.4.7 Intracellular Receptors and Gene Expression
3.5.1 Neurons and Their Role in the Nervous System3.5.2 Resting and Action Potentials in Neurons3.5.3 Speed Variations in Nerve Impulse Transmission3.5.4 Synaptic Transmission and Neurotransmitters3.5.5 Action Potential Dynamics3.5.6 Advanced Neural Signalling Techniques3.5.7 Exogenous Chemicals and Neural Regulation3.5.8 Complex Neural Interactions and Consciousness
3.6.1 System Integration and Coordination3.6.2 Hormonal and Nervous Signalling3.6.3 Central Information Processing3.6.4 Sensory Input and Motor Output3.6.5 Reflex Arcs and Movement Coordination3.6.6 Circadian Rhythms and Hormonal Secretion3.6.7 Endocrine System Control3.6.8 Feedback Mechanisms in Body Regulation3.6.9 Plant Responses and Phytohormones3.6.10 Positive Feedback in Plant Processes
4. Continuity and ChangePremium
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4.10.1 Evolution and Natural Selection4.10.2 Mutation and Sexual Reproduction4.10.3 Competition and Natural Selection4.10.4 Abiotic Factors and Selection Pressures4.10.5 Adaptation and Fitness4.10.6 Sexual Selection4.10.7 Gene Pools and Allele Frequencies4.10.8 Hardy–Weinberg Principle and Artificial Selection
4.11.1 Ecosystem Stability4.11.2 Requirements for Ecosystem Stability4.11.3 Deforestation and Ecosystem Tipping Points4.11.4 Modeling Ecosystem Stability4.11.5 Keystone Species and Sustainability4.11.6 Pollution and Ecosystem Health4.11.7 Rewilding and Ecosystem Restoration4.11.8 Ecological Succession
4.10.1 Evolution and Natural Selection4.10.2 Mutation and Sexual Reproduction4.10.3 Competition and Natural Selection4.10.4 Abiotic Factors and Selection Pressures4.10.5 Adaptation and Fitness4.10.6 Sexual Selection4.10.7 Gene Pools and Allele Frequencies4.10.8 Hardy–Weinberg Principle and Artificial Selection
4.11.1 Ecosystem Stability4.11.2 Requirements for Ecosystem Stability4.11.3 Deforestation and Ecosystem Tipping Points4.11.4 Modeling Ecosystem Stability4.11.5 Keystone Species and Sustainability4.11.6 Pollution and Ecosystem Health4.11.7 Rewilding and Ecosystem Restoration4.11.8 Ecological Succession