Photosynthesis and respiration are two of the most commonly-assessed topics in the terminal A-level exams but are often poorly understood by students. These 16 lessons have been intricately planned to contain a wide range of activities that will engage and motivate the students whilst covering the key detail to try to deepen their understanding and includes exam-style questions so they are prepared for these assessments. The following specification points in modules 5.2.1 and 5.2.2 of the OCR A-level Biology A course are covered by these lessons: The structure of a chloroplast and the sites of the two main stages of photosynthesis The importance of the photosynthetic pigments Using thin-layer chromatography to separate photosynthetic pigments The light-dependent stage of photosynthesis The fixation of carbon dioxide and the light-independent stage of photosynthesis The uses of triose phosphate Factors affecting photosynthesis The need for cellular respiration The structure of the mitochondrion The process and site of glycolysis The link reaction and its site in the cell The process and site of the Krebs cycle The importance of coenzymes in cellular respiration The process and site of oxidative phosphorylation The chemiosmostic theory The process of anaerobic respiration in eukaryotes The relative energy values of carbohydrates, lipids and proteins as respiratory substrates The use of the respiratory quotient Due to the detail of these lessons, it is estimated that it will take in excess of 2 months of A-level lessons to cover this module If you would like to sample the quality of the lessons, download the uses of triose phosphate, link reaction and respiratory substrates lessons as these have been shared for free

Every one of the lessons included in this bundle is detailed, engaging and fully-resourced, and has been written to cover the content as detailed in topic 4 of the AQA A-level Biology specification. The wide range of activities will maintain engagement whilst supporting the explanations of the content to allow the students to build a deep understanding of genetic information, variation and relationships between organisms. The following 18 lessons covering the 7 sub-topics are included in this bundle: 4.1: DNA, genes and chromosomes DNA in prokaryotes and eukaryotes Genes 4.2: DNA and protein synthesis Genome, proteome and the structure of RNA Transcription and splicing Translation 4.3: Genetic diversity can arise as a result of mutation or during meiosis The genetic code Gene mutations Chromosome mutations Meiosis 4.4: Genetic diversity and adaptation Genetic diversity Natural selection Directional and stabilising selection Adaptations 4.5: Species and taxonomy Species and taxonomy 4.6: Biodiversity within a community Biodiversity within a community Calculating an index of diversity The balance between conservation and farming 4.7: Investigating diversity Investigating diversity Interpreting mean values and the standard deviation If you would like to sample the quality of the lessons in this bundle, then download the DNA in prokaryotes and eukaryotes, structure of RNA, gene mutations, natural selection and standard deviation lessons as these have been uploaded for free

The wide variety of tasks that are written into the 18 lesson PowerPoints and accompanying resources that are included in this lesson bundle will engage and motivate the students whilst covering the detailed content of topic 4 of the Edexcel A-level Biology B specification (Exchange and transport). The following specification points are covered by these lessons: Understand how the surface area to volume ratio affects the transport of molecules in living organisms Understand why organisms need a mass transport system and specialised gas exchange surfaces as they increase in size The structure of the cell surface membrane Passive transport is brought about by diffusion and facilitated diffusion Passive transport is brought about by osmosis Understand how the properties of molecules affects how they are transported Large molecules are transported in and out of cells by endocytosis and exocytosis The process of active transport The phosphorylation and hydrolysis of ATP Understand how insects, fish and mammals are adapted for gas exchange The structure of the heart, arteries, veins and capillaries The advantages of the double circulatory system The sequence of events of the cardiac cycle The myogenic stimulation of the heart Interpreting ECG traces The role of platelets and plasma proteins in the sequence of events leading to blood clotting The structure of haemoglobin in relation to its role in the transport of respiratory gases The Bohr effect The dissociation curve of haemoglobin The significance of the oxygen affinity of foetal haemoglobin The similarities and differences between the structure and function of haemoglobin and myoglobin The formation and reabsorption of tissue fluid Know that tissue fluid that is not reabsorbed is returned to the blood via the lymph The structure of the xylem and phloem in relation to their role in transport The movement of water by the apoplastic and symplastic pathways The cohesion-tension model Hours and hours has gone into the intricate planning of all of these lessons and the quality can be sampled by downloading the following lessons which have been uploaded for free: Surface area to volume ratio ATP, active transport, endocytosis and exocytosis Structure of the heart, arteries, veins and capillaries Double circulatory system Apoplastic and symplastic pathways

Hours and hours of planning have gone into each and every lesson that’s included in this bundle to ensure that the students are engaged and motivated whilst the detailed content of topic 2 of the Edexcel International A-level Biology specification is covered. Membranes, proteins, DNA and gene expression represent some of the most important structures, molecules and processes involved in this subject and a deep understanding of their role in living organisms is important for a student’s success. The 20 lesson PowerPoints and accompanying resources contain a wide range of activities which cover the following topic 2 specification points: Know the properties of gas exchange surfaces in living organisms Understand how the rate of diffusion can be calculated using Fick’s Law of Diffusion Understand how the structure of the mammalian lung is adapted for rapid gas exchange The structure and properties of cell membranes The movement of free water molecules by osmosis The movement across membranes by passive and active transport The role of channel and carrier proteins in membrane transport The basic structure of an amino acid The formation of polypeptides and proteins The structure of proteins The mechanism of action and specificity of enzymes Enzymes are biological catalysts Intracellular and extracellular enzymes The basic structure of mononucleotides The structure of DNA and RNA The process of DNA replication The nature of the genetic code A gene as a sequence of bases on DNA that codes for a sequence of amino acids The process of transcription and translation Errors in DNA replication give rise to mutations Mutations give rise to disorders but many mutations have no observable effect The meaning of key genetic terms Understanding the pattern of monohybrid inheritance Sex linkage on the X chromosome Understand how the expression of a gene mutation in people with cystic fibrosis impairs the functioning of the gaseous exchange, digestive and reproductive systems The uses and implications of genetic screening and prenatal testing Due to the detail included in all of these lessons, it is estimated that it will take in excess of 2 months of allocated A-level teaching time to complete the teaching of the bundle If you would like to sample the quality of these lessons, then download the rapid gas exchange, osmosis, DNA & RNA, genetic code, genetic terms and cystic fibrosis lessons as these have been uploaded for free.

This bundle contains 20 PowerPoint lessons, and all are highly-detailed and are fully-resourced with differentiated worksheets. Intricate planning means that the wide range of activities included in these lessons will engage and motivate the students, check on their current understanding and their ability to make links to previously covered topics and most importantly will deepen their understanding of the following specification points in topic 2 (Cells) of the AQA A-level Biology specification: Structure and function of the organelles in eukaryotic cells The specialised cells in complex, multicellular organisms The structure of prokaryotic cells The structure of viruses which are acellular and non-living Measuring objects under an optical microscope Use of the magnification formula The principles of cell fractionation and ultracentrifugation The behaviour of chromosomes during the stages of the cell cycle Calculating the mitotic index Uncontrolled cell division leads to the formation of tumours and cancer Binary fission The basic structure of cell membranes The role of phospholipids, proteins, glycoproteins, glycolipids and cholesterol Simple diffusion Facilitated diffusion Osmosis, explained in terms of water potential The role of carrier proteins and the hydrolysis of ATP in active transport Co-transport as illustrated by the absorption of sodium ions and glucose by the cells lining the mammalian ileum Recognition of different cells by the immune system The identification of pathogens from antigens The phagocytosis of pathogens The cellular response involving T lymphocytes The humoral response involving the production of antibodies by plasma cells The structure of an antibody The roles of plasma cells and memory cells in the primary and secondary immune response The use of vaccines to protect populations The differences between active and passive immunity The structure of the human immunodeficiency virus and its replication in helper T cells Why antibiotics are ineffective against viruses The use of antibodies in the ELISA test If you would like to sample the quality of these lessons, then download the eukaryotic animal cells, viruses, osmosis, lymphocytes, HIV and AIDS lessons as these have been shared for free. I have also uploaded lessons on optical microscopes and HIV and AIDS (for free) but neither are included in this bundle as the limit of 20 resources has been reached!

Respiration and photosynthesis are two of the most commonly-assessed topics in the terminal A-level exams but are often poorly understood by students. These 16lessons have been intricately planned to contain a wide range of activities that will engage and motivate the students whilst covering the key detail to try to deepen their understanding and includes exam-style questions so they are fully prepared for these assessments. The following specification points in topics 12 and 13 of the CIE A-level Biology course are covered by these lessons: The need for energy in living organisms The features of ATP The synthesis of ATP by substrate-level phosphorylation in glycolysis and the Krebs cycle The roles of the coenzymes in respiration The synthesis of ATP through the electron transport chain in the mitochondria and chloroplasts The relative energy values of carbohydrates, lipids and proteins as respiratory substrates Determining the respiratory quotient from equations for respiration The four stages of aerobic respiration An outline of glycolysis When oxygen is available, pyruvate is converted into acetyl CoA in the link reaction The steps of the Krebs cycle Oxidative phosphorylation The relationship between the structure and function of the mitochondrion Distinguish between aerobic and anaerobic respiration in mammalian tissue and in yeast cells Anaerobic respiration generates a small yield of ATP and builds up an oxygen debt The products of the light-dependent stage are used in the Calvin cycle The structure of a chloroplast and the sites of the light-dependent and light-independent stages of photosynthesis The role of the chloroplast pigments Absorption and action spectra Using chromatography to separate the chloroplast pigments The light-dependent stage of photosynthesis The three stages of the Calvin cycle The conversion of Calvin cycle intermediates to carbohydrates, lipids and amino acids Explain the term limiting factor in relation to photosynthesis Explain the effects of changes in light intensity, carbon dioxide concentration and temperature on the rate of photosynthesis Explain how an understanding of limiting factors is used to increase crop yields in protected environments Due to the detail of these lessons, it is estimated that it will take up to 2 months of allocated A-level teaching time to cover the detail included in the slides of these lessons If you would like to sample the quality of the lessons, download the roles of the coenzymes, the Krebs cycle and the products of the Calvin cycle lessons as these have been shared for free

This bundle of 19 lessons covers the majority of the content in Topic B6 (Global challenges) of the OCR Gateway A GCSE Biology specification. The topics covered within these lessons include: Investigating distribution by sampling Increasing biodiversity Loss of biodiversity Selective breeding Genetic engineering Producing a GMO Health and disease Communicable diseases Stopping the spread of diseases Plant diseases Plant defences The Human Body’s Defences Blood clotting The uses of vaccines Monoclonal antibodies Antibiotics Developing drugs Non-communicable diseases Treating cardiovascular diseases Organ transplants Stem cells in medicine All of these lesson presentations and accompanying resources are detailed and engaging and contain regular progress checks to allow the students to constantly assess their understanding.

This bundle of 17 lessons covers the majority of the content in Topic B6 (Global challenges) of the OCR Gateway A GCSE Combined Science specification. The topics covered within these lessons include: Investigating distribution by sampling Increasing biodiversity Loss of biodiversity Selective breeding Genetic engineering Producing a GMO Health and disease Communicable diseases Stopping the spread of diseases Plant diseases The Human Body Defences Blood clotting Using vaccines In the prevention of disease Antibiotics Developing drugs Non-communicable diseases Treating cardiovascular diseases Organ transplants Stem cells in medicine All of these lesson presentations and accompanying resources are detailed and engaging and contain regular progress checks to allow the students to constantly assess their understanding.

This bundle contains 19 lessons which are engaging and highly detailed in order to cover the difficult content as set out in topic 9 (Control systems) of the Edexcel A-level Biology B specification. The lesson PowerPoints and accompanying resources contain a wide variety of tasks which cover the following specification points: Homeostasis is the maintenance of a state of dynamic equilibrium The importance of maintaining pH, temperature and water potential in the body The meaning of negative feedback and positive feedback control The principles of hormone production by endocrine glands The two main modes of action in hormones The organisation of the mammalian nervous system into the CNS and PNS The structure of the spinal cord The location and functions of the main parts of the brain The division of the autonomic nervous system into the sympathetic and parasympathetic systems The transport of sodium and potassium ions in a resting potential The formation of an action potential and the propagation along an axon Saltatory conduction The function of synapses The formation and effects of excitatory and inhibitory postsynaptic potentials The structure of the human retina The role of rhodopsin The distribution of rods and cone cells The control of heart rate by the autonomic nervous system The gross and microscopic structure of the kidney The production of urea in the liver and its removal from the blood by ultrafiltration Selective reabsorption in the proximal tubule Water reabsorption in the loop of Henle Control of mammalian plasma concentration The differences between ectotherms and endotherms The regulation of temperature by endotherms If you would like to sample the quality of this lesson bundle, then download the homeostasis, mammalian nervous system, resting and action potentials and the formation of urea and ultrafiltration lessons as these have been uploaded for free.

This bundle contains 20 fully-resourced and detailed lessons that have been designed to cover the content of topic 6 of the AQA A-level Biology specification which concerns the responses of organisms to stimuli. The wide range of activities included in each lesson will engage the students whilst the detailed content is covered and the understanding and prior knowledge checks allow them to assess their progress on the current topic as well as challenging them to make links to other related topics. Many of the tasks are differentiated to allow differing abilities to access the work and be challenged. The following sub-topics are covered in this bundle of lessons: Survival and response in flowering plants The protective effect of a simple reflex The role of sensory receptors as outlined by the Pacinian corpuscle The human retina as a sensory receptor The differences in rods and cones that enable different sensitivity to light, colour and visual acuity The roles of the SAN, AVN, Bundle of His and Purkyne fibres in the conduction system of the heart The control of heart rate The structure of a myelinated motor neurone The factors that affect the speed of conduction of an impulse The generation and transmission of nerve impulses The transmission at a cholinergic synapse and a neuromuscular junction Summation The contraction of skeletal muscles The structure and properties of slow and fast skeletal muscle fibres The principles of homeostasis including negative feedback systems The control of blood glucose concentration by the controlled release of insulin and glucagon The causes and control of diabetes type I and II The gross structure of the kidney The detailed structure of the nephron The production of glomerular filtrate The reabsorption of glucose and water in the PCT Maintaining a gradient of sodium ions in the medulla by the loop of Henle The role of the hypothalamus, posterior pituitary and ADH in osmoregulation This is one of the 8 topics which have to be covered over the length of the 2 year course and therefore it is expected that the teaching time for this bundle will be in excess of 2 months If you want to see the quality of the lessons before purchasing then the lessons on responses in flowering plants, saltatory conduction, the contraction of skeletal muscles and ultrafiltration are free resources to download

This bundle contains 20 lesson PowerPoints which are highly detailed to ensure that the topic 7 content is covered at the depth required for A-level Biology. The lessons have been intricately planned to contain a wide variety of tasks that will engage and motivate the students whilst covering the current material and to make links to other lessons in this topic as well as to the previous 6 topics. The tasks, which include exam-style questions with mark schemes, guided discussion time and quick quiz competitions, cover the following points in the respiration, muscles and the internal environment topic of the Edexcel International A-level Biology specification: The overall reaction of aerobic respiration The many steps of respiration are controlled and catalysed by a specific intracellular enzyme The roles of glycolysis in aerobic and anaerobic respiration The role of the link reaction and the Krebs cycle in the complete oxidation of glucose The synthesis of ATP by oxidative phosphorylation The respiratory quotient Know the way in which muscles, tendons, the skeleton and ligaments interact in movement The contraction of skeletal muscle in terms of the sliding filament theory The myogenic nature of cardiac muscle The coordination of the heartbeat The use of ECGs in the diagnosis of abnormal heart rhythms The calculation of cardiac output The control of heart rate and ventilation rate by the cardiovascular control centre and the ventilation centre in the medulle oblongata The role of adrenaline in the fight or flight response The principle of negative feedback in maintaining systems within narrow limits The meaning of homeostasis and the maintenance of a dynamic equilibrium in exercise The gross and microscopic structure of the mammalian kidney Selective reabsorption in the proximal tubule Water reabsorption in the loop of Henle The control of mammalian plasma concentration Switching genes on and off by DNA transcription factors and the roles of peptide and steroid hormones Due to the detail included in this lesson bundle, it is estimated that it will take in excess of 2 months of allocated A-level teaching time to cover the content If you would like to sample the quality of the lessons in the bundle, then download the skeletal muscle, coordination of the heartbeat, role of adrenaline and control of mammalian plasma concentration lessons as these have been uploaded for free The “negative and positive feedback” and “skeletal muscle” lessons are also uploaded on TES for free but haven’t been included in this bundle as the resource limit has been reached