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A-Level Biology Lessons

The Biochemical basis of life: Phylogenetic trees and the 4 biological molecules you must know

Making and breaking Polymers: Hydrolysis and Condensation reactions

 

Monosaccharides and Disaccharides

 

Polysaccharides, Starch (Amylose & Amylopectin), Glycogen and Cellulose

 

Food Tests: -The Benedict's test for sugars

 

Food Tests: - The Iodine test for starch

 

Lipids: The Structure & Formation of Triglycerides.

 

Lipids: - The Properties of Triglycerides

 

Lipids: -Phospholipid structure and function

 

Lipids: - The Emulsion test for Lipids

 

Proteins: - Amino Acids structure, dipeptides and polypeptides

 

Proteins: -The 4 Levels of Protein structure

 

Proteins: - Protein shape and function. Enzymes & Antibodies

 

 

Food Tests: - The Biuret test for Proteins

 

Enzymes: - The basic properties of enzymes

Enzymes: - Models of enzyme action. Lock and Key V Induced Fit

Enzymes: - Enzymes Lower Activation Energy

 

Enzymes: - Factors affecting enzyme activity

Enzymes: - The basic properties of enzymes

Enzymes: - Models of enzyme action. Lock and Key V Induced Fit

Enzymes: - Enzymes Lower Activation Energy

 

Enzymes: - Factors affecting enzyme activity

 

Genetics | Nucleic acids: - Nucleotide Structure and Polynucleotides

 

Genetics | Nucleic acids: -DNA a brief history and the Structure of DNA

 

Genetics | Nucleic acids: -RNA Structure

Genetics | Nucleic acids: - The Structure and Function of mRNA and tRNA

Genetics | Nucleic acids: - Genes and non coding DNA

 

Adenosine Triphosphate - The Structure of ATP - "The ATP-ADP Cycle" and the Important Properties of ATP

 

The Structure and properties of water

 

Cells: - Prokaryote (bacterial cell) Structure

 

Cells: - Prokaryote cell division (Binary Fission)

 

Virology: - Basic Virus Structure

Virology: - Basic Viral Replication

Virology: - HIV Virus Structure, Infection of T-cells and graph interpretation

Virology: - HIV Viral Replication Cycle

 

Eukaryotes: The Eukaryotic Cell Cycle

Chromosome structure

 

Eukaryotic Cell Division: - Mitosis

Practical Skills - Calculating the Mitotic index

 

Passive Diffusion (a.k.a Simple / Lipid Diffusion)

Facilitated Diffusion

Factors Affecting the Rate of Passive & Facilitated Diffusion

 

Osmosis (1) An Overview of Osmosis

Osmosis (2) Key Terms you must know, Understand and Use when explaining Osmosis

Osmosis and Aquaporins

Osmosis in Plant Cells & Stomatal regulation in terms of Osmosis

Factors Affecting the Rate of Osmosis

 

Immune system: - T-Cells and Antigens

 

Immune system response: -Phagocytosis

 

Immune system cells: -The Role of T-cells in the immune system response

 

Immune system cells: - The Role of B-Cells in the immune system response

 

Immune system: -Antibody Structure and Function

 

The ELISA test (the use of Antibodies in Medicine)

 

Gas Exchange in Insects: The insect tracheal system

 

Gas Exchange in plants: Gas exchange by the leaves of dicotyledonous plants (mesophyll and stomata)

 

Gas Exchange - Fish Gill Structure

 

Gas Exchange - Fish - The Counter Current Exchange Principle

 

Measuring Lung Function and graph interpretation

Lung Diseases - Tuberculosis (TB)

 

The Cardiovascular system a simple overview

The Cardiovascular system: - Arteries and Arterioles

 

The Cardiovascular system: - Capillaries

 

The Cardiovascular system: - Veins

 

The Cardiovascular system: - The Formation of Tissue Fluid

 

The Cardiovascular system: - The Structure of the mammalian Heart

 

The Cardiovascular system: - The Heart Valves

The Cardiovascular system: - The Cardiac cycle

The Cardiovascular system: - The Cardiac Cycle Graph interpretation

 

Cells and Organelles: - How DNA is Stored

 

 

Genetics: - Transcription & Translation: A Summary of Protein synthesis

 

Genetics: - Transcription (inc. RNA Splicing)

Genetics: - Defining Diploid.

 

Genetics and Cell Division: - Meiosis.

 

Genetics: - Gene Mutations.

 

Classification of Organisms - Phylogeny

 

Classification of Organisms - Taxonomy

 

Biodiversity and Statistics: -Analysing the effect of Agriculture on Biodiversity using Spearman's Rank correlation coefficient

 

Cell Organelles: -The Chloroplast - The site of Photosynthesis

 

 

Photosynthesis: - An Overview of Photosynthesis

 

Photosynthesis: - The Light Dependent Reactions

 

Photosynthesis - The Light Independent Reactions - aka - The Calvin Cycle

 

Cellular Respiration : - 2 types of Respiration | Anaerobic Respiration.

 

Population Genetics: - The Hardy-Weinberg Principle

 

Genetics: - What is Recombinant DNA

 

Genetics / DNA Technologies: Making cDNA using the Enzyme Reverse Transcriptase

 

Genetics / DNA Technologies: PCR - The Polymerase Chain Reactions (Amplifying DNA In Vitro using PCR)

 

Genetics: - Genetic Fingerprinting using Variable Number Tandem Repeats (VNTRs)

Genetics / DNA Technologies: - Electrophoresis

 

A Level Biology Super Notes Series:

Anaerobic V Aerobic Respiration

 

Glycolysis

 

Osmosis

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