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A-Level Biology Revision Notes Lessons.

Lesson 1. The Biochemical basis of life

Lesson 2. Making and breaking Polymers

Lesson 3. Monosaccharides and Disaccharides

Lesson 4. Polysaccharides

Lesson 5. The Benedict's test for sugars

Lesson 6. The Iodine test for starch

Lesson 7. Lipids: The Structure & Formation of Triglycerides.

Lesson 8. Properties of triglycerides

Lesson 9. Phospholipids

Lesson 10. The emulsion test for lipids

Lesson 11. Proteins - Amino Acids

Lesson 12. Protein structure

Lesson 13. Protein shape and function

Lesson 14. The biuret test for proteins

Lesson 15. Enzyme (basic properties)

Lesson 16. Enzymes

Lesson 17. Models of enzyme action

Lesson 18. Factors affecting enzyme activity - Temp

 

​Lesson 24. Nucleotides and Polynucleotides

Lesson 25. DNA Structure

Lesson 26. RNA Structure

 

Lesson 29. ATP

 

Lesson 31. The Structure of water

 

Lesson 44. Prokaryote Structure

Lesson 45. Binary Fission

Lesson 46. Virus Structure
Lesson 47. Viral Replication  

Lesson 52. Cell Cycle

Lesson 53. Mitosis

Lesson 54. Chromosome structure

Lesson 55. Calculating the Mitotic index

Lesson 62. Simple Diffusion

Lesson 63. Facilitated Diffusion

Lesson 64. Factors Affecting the rate of simple & facilitated diffusion

Lesson 66. Osmosis (1) (overview)

Lesson 67. Osmosis (2) (Key Terms)

Lesson 68. Osmosis and Aquaporins

Lesson 69. Osmosis in Plant Cells

Lesson 70. Factors Affecting the Rate of Osmosis

 Lesson 76. T-Cells and Antigens

Lesson 77. Phagocytosis

Lesson 78. T-cells

Lesson 79. B-Cells

Lesson 80. Antibodies

Lesson 88. Antibodies in Medicine - The ELISA test

Lesson 91. HIV Virus Structure

Lesson 92. HIV Viral Replication

 

Lesson 101. Gas Exchange - Insects Tracheal System

Lesson 102. Gas Exchange - Dicotyledonous Leaf

Lesson 103. Gas Exchange - Fish

Lesson 104. Gas Exchange - Fish - Counter Current Exchange

Lesson 110. Measuring Lung Function

Lesson 111. Lung Diseases - TB

Lesson 131. CVS Overview.

Lesson 133. Arteries and Arterioles

Lesson 134. Capillaries

Lesson 135. Veins

Lesson 136. Tissue Fluid

Lesson 137. The Heart

Lesson 138. The Heart Valves

Lesson 139. Cardiac cycle

Lesson 140. Cardiac Cycle Graphs

Lesson 160. How DNA is Stored

Lesson 161. Genes and non coding DNA

Lesson 162. mRNA and tRNA

Lesson 163. Transcription & Translation: A Summary of Protein synthesis

Lesson 164. Transcription (inc. mRNA Splicing)

Lesson 168: Defining Diploid.

Lesson 170: Meiosis.

Lesson 175. Gene Mutations.

Lesson 188. Classification of Organisms - Phylogeny

Lesson 189. Classification of Organisms - Taxonomy

Lesson 205. Analysing the effect of Agriculture on Biodiversity using Spearman's Rank

Lesson 210. The Chloroplast - The site of Photosynthesis

Lesson 211. Photosynthesis Overview

Lesson 212. Photosynthesis LDR

 

Lesson 214. Photosynthesis - The Calvin Cycle

Lesson 221. 2 types of Respiration / Anaerobic Respiration.

Lesson 296. The Hardy-Weinberg Principle

Lesson 339. What is Recombinant DNA

Lesson 340. DNA Technologies: Using The Reverse Transcriptase

Lesson 344. PCR - The Polymerase Chain Reactions (Amplifying DNA In Vitro - PCR)

Lesson 358. Genetic Fingerprinting using Variable Number Tandem Repeats (VNTRs)

Lesson 359. Electrophoresis