OCR A Level Biology A lesson on Nucleotide Monomers and ATP. This is one of seven lessons to meet the specification points for 2.1.3 Nucleotides and Nucleic Acids. Objectives for this lesson: Know the structure of ADP and ATP. Describe the structure of a nucleotide. Identify the purines and pyrimidines in DNA and RNA and differences between DNA and RNA nucleotides. Check out my other lessons and the accompanying workbook with exam questions (and answer booklet included). Please leave a review.

OCR A Level Biology A lesson on Plant Defences. This is one of thirteen lessons to meet the specification points for 4.1.1 Communicable Diseases, disease prevention and the immune system. Specification points: 4.1.1 © Objectives for this lesson: • Name the different methods of plant defences against pathogens. • Describe how plants defend against pathogens. • Explain the passive and active defences of plants against pathogens. Check out my other lessons and the accompanying workbook with exam questions (and answer booklet included). Please leave a review.

This is the a complete excel workbook with all learning objectives for the OCR A Level Biology A Specification. Each topic has its own tab, the first spreadsheet hyperlinks to each topic as needed (and hyperlink back to table of contents (TOC) and the layout has been set ready for printing, with some topics that take up two pages having the headings ready to go on both. Please leave a review and check out my other items.

OCR A Level Biology A lesson on Variation and Statistics. This is one of eight lessons to meet the specification points for 4.2.2 Classification and Evolution. Specification points: 4.2.2 (f) Objectives for this lesson: State what a null hypothesis is. Describe the different types of variation. Calculate variation using a range of statistical tests. Check out my other lessons and the accompanying workbook with exam questions (and answer booklet included). Please leave a review.

OCR A Level Biology A lesson on Adaptations. This is one of eight lessons to meet the specification points for 4.2.2 Classification and Evolution. Specification points: 4.2.2 (g) Objectives for this lesson: Define adaptation. Know the different adaptations of organisms to their environment. Explain why organisms from different taxonomic groups may show similar anatomical features. Check out my other lessons and the accompanying workbook with exam questions (and answer booklet included). Please leave a review.

OCR A Level Biology A lesson on PAG 6 - Chromatography. This is one of the lessons to meet the specification points for 2.1.2 Biological Molecules. Objectives for this lesson: Describe the principles and uses of paper and thin layer chromatography to separate biological molecules/compounds. Analyse the paper chromatography and calculate the Rf value for each amino acid. Interpret the results to identify the amino acids present in the solution. Check out my other lessons and the accompanying workbook with exam questions (and answer booklet included).

OCR A Level Biology A lesson on Microscopy. This is one of seven lessons to meet the specification points for 2.1.1 Cell Structure. Specification points: 2.1.1 (a & f) Objectives for this lesson: • Name and describe the function of the main components of the light microscope. • Explain the difference between magnification and resolution. • Compare the functional capabilities and specimen suitability for the electron microscope (scanning and transmission) and the scanning confocal microscope. Check out my other lessons and the accompanying workbook with exam questions (and answer booklet included). Please leave a review.

OCR A Level Biology A lesson on Organelles Working Together. This is one of seven lessons to meet the specification points for 2.1.1 Cell Structure. Specification points: 2.1.1 (i & j) Objectives for this lesson: • Recall the cellular components involved in protein synthesis. • Describe the importance of the cytoskeleton. • Explain the interrelationship between the organelles involved in the production and secretion of proteins. Check out my other lessons and the accompanying workbook with exam questions (and answer booklet included). Please leave a review.

Revision mat and answers for KS3. Designed for revision for Mock Exam. Topics covered include; Cells, reproduction, respiration, particles and energy. Can be used as is or sections could be copied and pasted if you only need one part.

Knowledge Organiser with all the key information for both Combined and Triple Science (with Triple clearly labelled in purple boxes). This is for Topic 3 Biology Genetics. Any feedback would be great and check out my other resources.

This is designed for the OCR A Level Biology A Module 2.1.3 Nucleotides and Nucleic Acids. SLOP Booklet and Answers. It is a 37 page workbook for students to fill in and also has exam questions for each lesson. There is also answer books included. This workbook was designed with my lessons, so please check them out as well. Please leave a review.

OCR A Level Biology A lesson on Additional Factors in Enzyme Action. This is one of eight lessons to meet the specification points for 2.1.4 Enzymes. Objectives for this lesson: • Describe the difference between a cofactor and coenzyme. • Explain the role of prosthetic groups in some enzyme-controlled reactions. • Explain the need for coenzymes, cofactors and prosthetic groups in some enzyme-controlled reactions using named examples. Check out my other lessons and the accompanying workbook with exam questions (and answer booklet included). Please leave a review.

OCR A Level Biology A lesson on PAG 4. Rates of Enzyme Controlled Reactions – Substrate Concentration. This is one of eight lessons to meet the specification points for 2.1.4 Enzymes. Objectives for this lesson: • Recall the effect of substrate concentration on the rate of enzyme activity. • Describe a method for investigating the effect of substrate concentration on enzyme activity. • Explain how to carry out a serial dilution, showing any calculations used. Check out my other lessons and the accompanying workbook with exam questions (and answer booklet included). Please leave a review.

OCR A Level Biology A lesson on The Effect of Substrate and Enzyme concentrations on Rate of Reaction. This is one of eight lessons to meet the specification points for 2.1.4 Enzymes. Objectives for this lesson: • Describe the effect of enzyme concentration and substrate concentration on enzyme activity. • Draw and interpret graphs for rates of reaction. • Estimate the initial rate of reaction from a graph. Check out my other lessons and the accompanying workbook with exam questions (and answer booklet included). Please leave a review.

OCR A Level Biology A lesson on The Effect of pH & Temperature on Enzyme Action. This is one of eight lessons to meet the specification points for 2.1.4 Enzymes. Objectives for this lesson: • Describe the effect of pH on enzyme activity. • Explain the effect of temperature on enzyme activity. • Calculate the temperature coefficient (Q10) Check out my other lessons and the accompanying workbook with exam questions (and answer booklet included). Please leave a review.

OCR A Level Biology A lesson on Ventilation. This is one of eight lessons to meet the specification points for 3.1.1 Exchange Surfaces. Specification points: 3.1.1 (d) Objectives for this lesson: • Name the components of the mammalian ventilation system. • Describe the mechanism for ventilation in mammals. • Explain the function of key components of the mammalian ventilation system. Check out my other lessons and the accompanying workbook with exam questions (and answer booklet included). Please leave a review.

OCR A Level Biology A lesson on Dissociation Curves. This is one of ten lessons to meet the specification points for 3.1.2 Transport in Animals. Specification points: 3.1.2 (j) Objectives for this lesson: • Recognise the oxygen dissociation curves for human adult and fetal haemoglobin. • Explain the significance of the different affinities for oxygen. • Understand the changes to the dissociation curve at different carbon dioxide concentrations (the Bohr effect). Check out my other lessons and the accompanying workbook with exam questions (and answer booklet included). Please leave a review.

OCR A Level Biology A lesson on Types of Variation. This is one of eight lessons to meet the specification points for 4.2.2 Classification and Evolution. Specification points: 4.2.2 (f) Objectives for this lesson: State what a null hypothesis is. Describe the different types of variation. Calculate variation using a range of statistical tests. Check out my other lessons and the accompanying workbook with exam questions (and answer booklet included). Please leave a review.

OCR A Level Biology A lesson on Electrical Control of the Cardiac Cycle. This is one of ten lessons to meet the specification points for 3.1.2 Transport in Animals. Specification points: 3.1.2 (g) Objectives for this lesson: • State the parts of the heart involved in control of the heartbeat. • Describe the roles of the SAN, AVN and purkyne tissue. • Explain how heart action is initiated and coordinated. Check out my other lessons and the accompanying workbook with exam questions (and answer booklet included). Please leave a review.

OCR A Level Biology A lesson on Eukaryotic Cell Ultrastructure. This is one of seven lessons to meet the specification points for 2.1.1 Cell Structure. Specification points: 2.1.1 (g & h) Objectives for this lesson: • Recall the main parts of a plant and animal cell. • Label the ultrastructure of eukaryotic cells and give the functions of the different components • Identify cellular components from photomicrographs. Check out my other lessons and the accompanying workbook with exam questions (and answer booklet included). Please leave a review.