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Biology Study Notes

A Level · Free revision notes covering the complete syllabus

6 Units43 Notes AvailableSyllabus Code: 9700
1

Cell Biology

Structure and function of cells, cell membranes, and transport mechanisms

Cell Structure and Organelles

45 min read

Prokaryotic vs Eukaryotic Cells

40 min read

Cell Membranes and Fluid Mosaic Model

50 min read

Diffusion, Osmosis and Active Transport

55 min read

Cell Division: Mitosis

50 min read

Cell Division: Meiosis

50 min read

2

Biological Molecules

Structure and function of carbohydrates, lipids, proteins and nucleic acids

Water and Its Properties

35 min read

Carbohydrates: Monosaccharides to Polysaccharides

50 min read

Lipids: Triglycerides and Phospholipids

45 min read

Proteins: Amino Acids and Peptide Bonds

50 min read

Protein Structure: Primary to Quaternary

55 min read

Enzymes: Structure and Mechanism

55 min read

Enzyme Kinetics and Inhibition

50 min read

DNA and RNA Structure

50 min read

3

Genetics and Inheritance

DNA replication, gene expression, inheritance patterns and genetic variation

DNA Replication

50 min read

Transcription and Translation

55 min read

The Genetic Code

40 min read

Gene Mutations

45 min read

Mendelian Genetics: Monohybrid Inheritance

50 min read

Dihybrid Inheritance and Linkage

55 min read

Sex Linkage and Codominance

50 min read

Hardy-Weinberg Principle

45 min read

4

Ecology and Evolution

Ecosystems, energy flow, population dynamics and evolutionary mechanisms

Ecosystems and Energy Flow

50 min read

Food Chains and Food Webs

40 min read

Nutrient Cycles: Carbon and Nitrogen

50 min read

Population Ecology

45 min read

Natural Selection and Adaptation

50 min read

Speciation and Reproductive Isolation

45 min read

Biodiversity and Conservation

45 min read

5

Physiology: Transport and Exchange

Gas exchange, transport systems in plants and animals

Gas Exchange in Mammals

50 min read

The Mammalian Heart and Cardiac Cycle

55 min read

Blood, Tissue Fluid and Lymph

45 min read

Haemoglobin and Oxygen Transport

50 min read

Transport in Plants: Xylem and Phloem

55 min read

Transpiration and Water Potential

50 min read

6

Physiology: Control and Coordination

Nervous system, hormonal control, homeostasis and immunity

Neurons and Nerve Impulses

55 min read

Synaptic Transmission

50 min read

The Brain and Nervous System

50 min read

Hormonal Control and Endocrine System

50 min read

Homeostasis: Temperature Regulation

45 min read

Homeostasis: Blood Glucose Regulation

50 min read

Immune System and Defence Mechanisms

55 min read

Vaccines and Monoclonal Antibodies

45 min read

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