The biological molecules sub-module is incredibly important, not just because it is found near to the start of the course, but also because of its detailed content which must be well understood to promote success with most of the other OCR A-level Biology A modules. Many hours of intricate planning have gone into the design of all of the 13 lessons that are included in this bundle to ensure that the content is covered in detail, understanding is constantly checked and misconceptions addressed and that engagement is high. This is achieved through the wide variety of tasks in the PowerPoints and accompanying worksheets which include exam-style questions with clear answers, discussion points, differentiated tasks and quick quiz competitions. The following specification points are covered by the lessons within this bundle: The relationship between the properties of water and its roles for living organisms The concept of monomers and polymers and the importance of condensation and hydrolysis reactions The chemical elements that make up biological molecules The ring structure and properties of glucose and structure of ribose The synthesis and breakdown of a disaccharide and a polysaccharide The relationship between the structures, properties and functions of starch, glycogen and cellulose The structure of a triglyceride and a phospholipid as macromolecules The synthesis and breakdown of triglycerides The relationship between the properties and functions of triglycerides, phospholipids and cholesterol The general structure of an amino acid The synthesis and breakdown of dipeptides and polypeptides The levels of protein structure The structure and function of globular proteins The properties and functions of fibrous proteins The key inorganic ions that are involved in biological processes How to carry out and interpret the results of the chemical tests for proteins, reducing and non-reducing sugars, starch and lipids Due to the detail of each of these lessons, it is estimated that it will take in excess of 6 weeks of allocated teaching time to cover the content. If you would like to see the quality of the lessons, download the properties of water, glucose & ribose, amino acids and dipeptides and polypeptides lessons as these have been shared for free

This bundle of 9 lessons covers a lot of the content in Topic B9 (Ecosystems and material cycles) of the Edexcel GCSE Biology specification. The topics covered within these lessons include: Levels of organisation in an ecosystem Biotic and abiotic factors Interdependence Types of ecological relationships Sampling techniques Efficiency of biomass transfer Human impacts on ecosystems Maintaining and increasing biodiversity The carbon cycle The nitrogen cycle Decomposition The rate of decay 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 10 lessons covers a lot of the content in Topic B3 (Genetics) of the Edexcel GCSE Biology specification. The topics covered within these lessons include: Advantages and disadvantages of asexual reproduction Advantages and disadvantages of sexual reproduction The role of meiosis The structure of DNA Transcription and translation Understanding and using genetic terminology Monohybrid inheritance Sex determination Sex linkage The causes of variation 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 lesson bundle contains 16 lessons which have been designed to cover the Pearson Edexcel A-level Biology A (Salters Nuffield) specification points which focus on the structure of DNA and RNA, their roles in replication and protein synthesis, and genetics and inheritance. The lesson PowerPoints are highly detailed, and along with their accompanying worksheets, they have been planned at length to contain a wide range of engaging tasks which cover the following A-level Biology content found in topics 2, 3 and 6 of the course: 2.5 (i): Know the basic structure of mononucleotides (deoxyribose or ribose linked to a phosphate and a base, including thymine, uracil, cytosine, adenine or guanine) and the structures of DNA and RNA (polynucleotides composed of mononucleotides linked through condensation reactions) 2.5 (ii): Know how complementary base pairing and the hydrogen bonding between two complementary strands are involved in the formation of the DNA double helix 2.6 (i): Understand the process of protein synthesis (transcription) including the role of RNA polymerase, translation, messenger RNA, transfer RNA, ribosomes and the role of start and stop codons 2.6 (ii): Understand the roles of the DNA template (antisense) strand in transcription, codons on messenger RNA and anticodons on transfer RNA 2.7: Understand the nature of the genetic code 2.8: Know that a gene is a sequence of bases on a DNA molecule that codes for a sequence of amino acids in a polypeptide chain 2.11 (i): Understand the process of DNA replication, including the role of DNA polymerase 2.12 (i): Understand how errors in DNA replication can give rise to mutations 2.12 (ii): Understand how cystic fibrosis results from one of a number of possible gene mutations 2.13 (i): Know the meaning of the terms: gene, allele, genotype, phenotype, recessive, dominant, incomplete dominance, homozygote and heterozygote 2.13 (ii): Understand patterns of inheritance, including the interpretation of genetic pedigree diagrams, in the context of monohybrid inheritance 2.14: Understand how the expression of a gene mutation in people with cystic fibrosis impairs the functioning of the gaseous exchange, digestive and reproductive systems 2.15 (i): Understand the uses of genetic screening, including the identification of carriers, pre-implantation genetic diagnosis (PGD) and prenatal testing, including amniocentesis and chorionic villus sampling 2.15 (ii): Understand the implications of prenatal genetic screening 3.8 (i): The loci is a location of genes on a chromosome 3.8 (ii): The linkage of genes on a chromosome and sex linkage 3.12: Understand how cells become specialised through differential gene expression, producing active mRNA leading to synthesis of proteins, which in turn control cell processes or determine cell structure in animals and plants, including the lac operon 3.14 (i): Phenotype is an interaction between genotype and the environment 3.15: Understand how some phenotypes are affected by multiple alleles for the same gene at many loci (polygenic inheritance) as well as the environment and how this can give rise to phenotypes that show continuous variation 6.4: Know how DNA can be amplified using the polymerase chain reaction (PCR) 6.10: Understand how one gene can give rise to more than one protein through posttranscriptional changes to messenger RNA (mRNA).

This lesson bundle contains 16 lessons which have been designed to cover the Edexcel International A-level Biology specification points which focus on the structure of DNA and RNA, their roles in replication and protein synthesis, and genetics and inheritance. The lesson PowerPoints are highly detailed, and along with their accompanying worksheets, they have been planned at length to contain a wide range of engaging tasks which cover the following A-level Biology content found in topics 2, 3 and 6 of the course: 2.9 (i): Know the basic structure of mononucleotides (deoxyribose or ribose linked to a phosphate and a base, including thymine, uracil, adenine, cytosine or guanine) and the structures of DNA and RNA (polynucleotides composed of mononucleotides linked by condensation reactions to form phosphodiester bonds) 2.9 (ii): Know how complementary base pairing and the hydrogen bonding between two complementary strands are involved in the formation of the DNA double helix 2.10 (i): Understand the process of DNA replication, including the role of DNA polymerase 2.11: Understand the nature of the genetic code 2.12: Know that a gene is a sequence of bases on a DNA molecule that codes for a sequence of amino acids in a polypeptide chain 2.13 (i): understand the process of protein synthesis (transcription and translation), including the role of RNA polymerase, translation, messenger RNA, transfer RNA, ribosomes and the role of start and stop codons 2.13 (ii): Understand the roles of the DNA template (antisense) strand in transcription, codons on messenger RNA and anticodons on transfer RNA 2.14 (i): Understand how errors in DNA replication can give rise to mutations (substitution, insertion and deletion of bases) 2.14 (ii): Know that some mutations will give rise to cancer or genetic disorders, but that many mutations will have no observable effect 2.15 (i): Know the meaning of the terms: gene, allele, genotype, phenotype, recessive, dominant, codominance, homozygote and heterozygote 2.15 (ii): Understand patterns of inheritance, including the interpretation of genetic pedigree diagrams, in the context of monohybrid inheritance 2.15 (iii): Understand sex linkage on the X chromosome, including red-green colour blindness in humans 2.16: Understand how the expression of a gene mutation in people with cystic fibrosis impairs the functioning of the gaseous exchange, digestive and reproductive systems 2.17 (i): Understand the uses of genetic screening, including the identification of carriers, pre-implantation genetic diagnosis (PGD) and prenatal testing, including amniocentesis and chorionic villus sampling 2.17 (ii): Understand the implications of prenatal genetic screening 3.9 (i): Know that a locus is the location of genes on a chromosome 3.9 (ii): Understand the linkage of genes on a chromosome 3.18: Understand how cells become specialised through differential gene expression, producing active mRNA, leading to the synthesis of proteins which, in turn, control cell processes or determine cell structure in animals and plants 3.19: Understand how one gene can give rise to more than one protein through posttranscriptional changes to messenger RNA (mRNA). 3.20 (i): Phenotype is an interaction between genotype and the environment 3.21: Understand how some phenotypes are affected by multiple alleles for the same gene at many loci (polygenic inheritance) as well as the environment and how this can give rise to phenotypes that show continuous variation 6.17: Know how DNA can be amplified using the polymerase chain reaction (PCR)

It’s fair to say that cell structure and biological molecules are two of the most important topics in the OCR A-level Biology A course and all 19 lessons that are included in this bundle have been planned at length to cover the module 2.1.1 & 2.1.2 specification points in the detail required at this level. The lesson PowerPoints and their accompanying resources contain a wide range of tasks as well as regular checks to allow students to assess their understanding of the current content as well as prior knowledge checks to emphasise the importance of making links to topics in other modules. The following specification points in modules 2.1.1 (cell structure) and 2.1.2 (biological molecules) are covered by the lessons in this bundle: 2.1.1 The use of microscopy to observe and investigate different types of cell and cell structure in a range of eukaryotic organisms The use of the eyepiece graticule and stage micrometer The use of staining in light microscopy The use and manipulation of the magnification formula The difference between magnification and resolution The ultrastructure of eukaryotic cells and the functions of the different cellular components The interrelationship between the organelles involved in the production and secretion of proteins The importance of the cytoskeleton The similarities and differences between the ultrastructure of prokaryotic and eukaryotic cells 2.1.2 The properties and roles of water in living organisms The concept of monomers and polymers and the importance of condensation and hydrolysis reactions The chemical elements that make up biological molecules The structure and properties of glucose and ribose The synthesis and breakdown of a disaccharide and a polysaccharide by the formation and breakage of glycosidic bonds The structure of starch, glycogen and cellulose molecules The relationship between the structure, function and roles of triglycerides, phospholipids and cholesterol in living organisms The general structure of an amino acid The synthesis and breakdown of dipeptides and polypeptides The levels of protein structure The structure and function of globular proteins The properties and functions of fibrous proteins The key inorganic ions involved in biological processes The chemical tests for proteins, reducing and non-reducing sugars, starch and lipids If you would like to sample the quality of the lessons included in this bundle, then download the following lessons as they have been uploaded for free: The use of microscopy The importance of the cytoskeleton Properties and roles of water Glucose & ribose General structure of an amino acid Dipeptides, polypeptides and protein structure

This bundle of 15 lessons covers the majority of the content in Topic B3 (Organism level systems) of the OCR Gateway A GCSE Biology specification. The topics covered within these lessons include: The nervous system The eye Hormones and the endocrine system Adrenaline Negative feedback loops Thyroid gland and thyroxine The menstrual cycle Contraception Using hormones to treat infertility Plant hormones Homeostasis Controlling body temperature Controlling blood glucose Diabetes Inside the kidney 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 13 detailed lesson PowerPoints, which together with their accompanying resources, have been planned to include a wide variety of tasks that will engage and motivate the students whilst covering the content of topic 3 of the Pearson Edexcel A-level Biology A (Salters Nuffield) specification. The voice of the genome topic content includes key biological concepts such as eukaryotic cells, cell division and genetics and the following specification points are covered by these lessons: All living organisms are made of cells, sharing common features The ultrastructure of eukaryotic cells and the role of the organelles The role of the rER and the Golgi body in protein transport The relationship between the features of the mammalian gametes and their functions The loci is the location of a gene on a chromosome The linkage of genes on a chromosome and sex linkage The role of meiosis in ensuring genetic variation The role of mitosis and the cell cycle The meaning of the terms stem cell, pluripotency and totipotency The decisions about the use of stem cells in medical therapies The specialisation of cells through differential gene expression Understand how the cells of multicellular organisms are organised into tissues, tissues into organs and organs into systems Phenotype is the interaction between genotype and the environment Epigenetic changes can modify the activation of certain genes Some phenotypes are affected by multiple alleles for the same gene at many loci as well as the environment and this gives rise to continuous variation If you would like to sample the quality of lessons in this bundle, then download the ultrastructure of eukaryotic cells, mitosis and the cell cycle and gene expression lessons as these have been uploaded for free

Each of the 20 revision lessons included in this bundle has been designed to motivate and engage the students whilst they are challenged on their knowledge of the content of the OCR A-Level Biology A specification. The detailed PowerPoints contain a wide range of activities which include exam questions with explained answers, differentiated tasks and quiz competitions that are supported by the accompanying worksheets. The modules covered in this bundle are: Module 2.1.1: Cell structure Module 2.1.2: Biological molecules Module 2.1.3: Nucleotides and nucleic acids Module 2.1.4: Enzymes Module 2.1.5: Biological membranes Module 2.1.6: Cell division, cell diversity and cellular organisation Module 3.1.2: Transport in animals Module 3.1.3: Transport in plants Module 4.1.1: Communicable diseases, disease prevention and the immune system Module 4.2.1: Biodiversity Module 4.2.2: Classification and evolution Module 5.1.2: Excretion as an example of homeostatic control Module 5.1.3: Neuronal communication Module 5.1.4: Hormonal communication Module 5.1.5: Plant and Animal responses Module 5.2.1: Photosynthesis Module 5.2.2: Respiration Module 6.1.1: Cellular control Module 6.1.2: Pattens of inheritance Module 6.1.3: Manipulating genomes Helpful hints are provided throughout the lessons to help the students with exam technique and in structuring their answers. These lessons are suitable for use throughout the course and can be used for revision purposes at the end of a module or in the lead up to mocks or the actual A LEVEL exams

This bundle of 10 lessons covers a lot of the content in Topic B5 (Health, disease and development of medicines) of the Edexcel GCSE Biology specification. The topics covered within these lessons include: Health The difference between communicable and non-communicable diseases Pathogens Common infections The spread of diseases and the prevention The spread of STIs Plant defences Identification of plant diseases The physical and chemical defences of the human body The use of antibiotics Developing new medicines Monoclonal antibodies Non-communicable diseases Treating cardiovascular disease 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.

The biological molecules topic is incredibly important, not just because it is found at the start of the course, but also because of its detailed content which must be well understood to promote success with the other 9 Edexcel A-level Biology B topics. Many hours of intricate planning has gone into the design of all of the 18 lessons that are included in this bundle to ensure that the content is covered in detail, understanding is constantly checked and misconceptions addressed and that engagement is high. This is achieved through the wide variety of tasks in the PowerPoints and accompanying worksheets which include exam-style questions with clear answers, discussion points, differentiated tasks and quick quiz competitions. The following specification points are covered by the lessons within this bundle: The differences between monosaccharides, disaccharides and polysaccharides The structure of glucose and ribose The formation of disaccharides and polysaccharides from monosaccharides The structure of starch, glycogen and cellulose The synthesis of a triglyceride The differences between saturated and unsaturated lipids The relationship between the structure of lipids and their roles The structure and properties of phospholipids The structure of an amino acid The formation of polypeptides and proteins The role of ionic, hydrogen and disulphide bonding in proteins The levels of protein structure The structure of collagen and haemoglobin The structure of DNA The semi-conservative replication of DNA A gene is a sequence of bases on DNA that codes for an amino acid sequence The structure of mRNA The structure of tRNA The process of transcription The process of translation Base deletions, insertions and substitutions as gene mutations The effect of point mutations on amino acid sequences The structure of enzymes as globular proteins The concept of specificity and the induced-fit hypothesis Enzymes are catalysts that reduce activation energy Understand how temperature affects enzyme activity Enzymes catalyse a wide range of intracellular reactions as well as extracellular ones The importance of water for living organisms Due to the detail included in these lessons, it is estimated that it will take in excess of 2 months of allocated A-level teaching time to complete. If you would like to see the quality of the lessons then download the monosaccharides, disaccharides and polysaccharides, glucose and ribose, triglycerides, structure of DNA and transcription lessons as these have been uploaded for free.

This lesson bundle has been formed from the 13 detailed lesson PowerPoints and their accompanying resources that have been uploaded to cover a lot of the content in modules 2.1.4, 2.1.5 and 2.1.6 of the OCR A-level Biology A specification. Each lesson contains a wide range of tasks, which include exam-style questions (with mark schemes), guided discussion points, and quick quiz competitions, that will engage and motivate the students whilst covering the following specification points: Module 2.1.4: Enzymes The role of enzymes in catalysing reactions that affect metabolism at a cellular and whole organism level The role of enzymes in catalysing both intracellular and extracellular reactions The mechanism of enzyme action The effect of pH on enzyme activity The effect of temperature on enzyme activity The calculation of the temperature coefficient The effect of enzyme and substrate concentration on enzyme activity The need for coenzymes, cofactors and prosthetic groups in some enzyme-controlled reactions Module 2.1.5: Biological membranes The fluid mosaic model of membrane structure and the roles of its components Simple and facilitated diffusion as forms of passive transport Active transport, endocytosis and exocytosis as processes requiring ATP as an immediate source of energy The movement of water across membranes by osmosis and the effects that solutions of different water potential can have on plant and animal cells Module 2.1.6: Cell division, cell diversity and cellular organisation The cell cycle How the cell cycle is regulated The main stages of mitosis The significance of mitosis in life cycles The significance of meiosis in life cycles The main stages of meiosis How cells of multicellular organisms are specialised for particular functions The organisation of cells into tissues, organs and organ systems The production of erythrocytes and neutrophils from stem cells in bone marrow If you would like to sample the quality of the lessons in this bundle, then download the following lessons as they have been uploaded for free: The roles of enzymes and mechanism of action Simple and facilitated diffusion Cell specialisation and organisation

This bundle of 9 lessons covers the majority of the content in Topic B1 of the OCR Gateway A GCSE Combined Science specification. The topics covered within these lessons include: Animal and plant cells Prokaryotic cells Light and electron microscopy DNA Enzymes Enzyme activity Aerobic respiration Anaerobic respiration Photosynthesis 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. It is estimated that this bundle would cover about 6 week’s worth of lessons.

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 14 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 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

It’s no coincidence that cell structure and biological molecules find themselves as topics 1 and 2 of the CIE A-level Biology course, because a clear understanding of their content is absolutely critical to promote success with the 17 topics that follow. Hours and hours of intricate planning has gone into the 18 lessons included in this bundle to ensure that the detailed content is relevant and can be understood and that links are made to related sections of topics 3 - 19. The lesson PowerPoints and accompanying resources contain a wide range of activities that include: differentiated exam-style questions with clear mark schemes directed discussion points quiz competitions to introduce key terms and values current understanding and prior knowledge checks Due to the detail included in these lessons, it is estimated that it will take in excess of 2 months of allocated teaching time to cover the content of the resources A number of the resources have been shared for free so these can be downloaded in order to sample the quality of the lessons

This bundle contains 18 detailed and engaging lessons which cover the following specification points in module 3 (Exchange and transport) of the OCR A-level Biology A specification: 3.1.1: Exchange surfaces The need for specialised exchange surfaces The features of an efficient exchange surface The structures and functions of the components of the mammalian gaseous exchange system The mechanism of ventilation in mammals The mechanisms of ventilation and gas exchange in bony fish and insects 3.1.2: Transport in animals The double, closed circulatory system in mammals The structure and functions of arteries, arterioles, capillaries, venules and veins The formation of tissue fluid from plasma The external and internal structure of the heart The cardiac cycle How heart action is initiated and coordinated The use and interpretation of ECG traces The role of haemoglobin in transporting oxygen and carbon dioxide The oxygen dissociation curve for foetal and adult haemoglobin 3.1.3: Transport in plants The structure and function of the vascular systems in the roots, stems and leaves The transport of water into the plant, through the plant and to the air surrounding the leaves The mechanism of translocation As well as the detailed A-level Biology content of the PowerPoint slides, the resources contain a wide range of tasks including guided discussion points, exam-style questions and quiz competitions which will engage and motivate the students

This bundle of 10 lessons covers the majority of the content in Topic B1 (Cell-level systems) of the OCR Gateway A GCSE Biology specification. The topics covered within these lessons include: Plant and animal cells Bacterial cells Light microscopy Electron microscopy DNA Transcription and translation Enzymes Enzyme actions Aerobic respiration Anaerobic respiration Photosynthesis Limiting factors 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 lesson bundle contains 17 detailed and fully-resourced lessons which cover the following specification points in topic 3 of the AQA A-level Biology specification: Topic 3.1 The relationship between the size of an organism or structure and its surface area to volume ratio The development of systems in larger organisms as adaptations that facilitate exchange as this ratio reduces Topic 3.2 Adaptations of gas exchange surfaces as shown by gas exchange in single-celled organisms, insects, bony fish and the leaves of dicotyledonous plants The gross structure of the human gas exchange system The essential features of the alveolar epithelium as a surface over which gas exchange takes place The mechanism of breathing to include the role of the diaphragm and the intercostal muscles Topic 3.3 During digestion, large molecules are hydrolysed to smaller molecules Digestion in mammals by amylases, disaccharidases, lipase, endopeptidases, exopeptidases and dipeptidases Mechanisms for the absorption of the products of digestion by cells lining the ileum of mammals Topic 3.4.1 The structure and role of haemoglobin in the loading, transport and unloading of oxygen The effects of carbon dioxide concentration on the dissociation of oxyhaemoglobin The general pattern of blood circulation in a mammal The gross structure of the human heart Pressure and volume changes and valve movements during the cardiac cycle The structure of the arteries, arterioles and veins The formation of tissue fluid and its return to the circulatory system Topic 3.4.2 Xylem as the tissue that transports water The cohesion-tension theory of water transport Phloem as the tissue that transports organic substances in plants The mass flow hypothesis for the mechanism of translocation in plants If you would like to sample the quality of the lessons included in this bundle, then download the following lessons which have been uploaded for free Alveolar epithelium Absorption in the ileum Arteries, arterioles and veins Formation of tissue fluid Translocation

The topics of selection, evolution, biodiversity, classification and conservation are key concepts in Biology, that are regularly assessed in the exams, but are not always that well understood by the students. With this at the forefront of the lesson design, these 16 lesson PowerPoints and their accompanying resources have been intricately planned to cover the detailed content of topics 17 & 18 of the CIE A-level Biology specification through the use of a wide range of tasks to engage and motivate the students. There are plenty of opportunities for the students to assess their current understanding through the completion of exam-style questions and also to check on their prior knowledge by making links to earlier topics. The following specification points are covered by these lessons: Topic 17.1: Variation The differences between continuous and discontinuous variation Using the t-test to compare the variation of two different populations The importance of genetic variation in selection Topic 17.2: Natural and artificial selection Natural selection Explain how environmental factors can act as stabilising, disruptive and directional forces of natural selection Explain how the founder effect and genetic drift may affect allele frequencies in populations Use the Hardy-Weinberg principle Topic 17.3: Evolution The molecular evidence that reveals similarities between closely related organisms Explain how speciation may occur Topic 18.1: Biodiversity Define the terms species, ecosystem and niche Explain that biodiversity is considered at three levels Explain the importance of random sampling in determining the biodiversity of an area Use suitable methods to assess the distribution and abundance of organisms in a local area Use the Spearman’s rank correlation to analyse relationships between data Use Simpson’s index of diversity Topic 18.2: Classification The classification of species into taxonomic hierarchy The characteristic features of the three domains The characteristic features of the kingdoms Explain why viruses are not included in the three domain classification Topic 18.3: Conservation The reasons for the need to maintain biodiversity Methods of protecting endangered species The roles of organisations like the WWF and CITES in local and global conservation If you would like to sample the quality of the lessons that are included in this bundle then download the following as these have been shared for free: Continuous and discontinuous variation Molecular evidence & evolution Spearman’s rank correlation WWF, CITES and conservation It is estimated that it will take up to 2 months of A-level Biology teaching time to cover the detail included in these lessons

The biological molecules topic is incredibly important, not just because it is found at the start of the course, but also because of its detailed content which must be well understood to promote success with the other 7 AQA A-level Biology topics. Many hours of intricate planning has gone into the design of all of the 20 lessons that are included in this bundle to ensure that the content is covered in detail, understanding is constantly checked and misconceptions addressed and that engagement is high. This is achieved through the wide variety of tasks in the PowerPoints and accompanying worksheets which include exam-style questions with clear answers, discussion points, differentiated tasks and quick quiz competitions. The following specification points are covered by the lessons within this bundle: Monomers and polymers Condensation and hydrolysis reactions Common monosaccharides Maltose, sucrose and lactose The structure and functions of glycogen, starch and cellulose Biochemical tests using Benedict’s solution for reducing sugars and non-reducing sugars and iodine/potassium iodide for starch The structure and properties of triglycerides and phospholipids The emulsion test for lipids The structure of amino acids The formation of dipeptides and polypeptides The levels of protein structure The biuret test for proteins Enzymes act as biological catalysts The induced-fit model of enzyme action The properties of an enzyme The effect of temperature on the rate of an enzyme-controlled reaction The effect of enzyme and substrate concentration on the rate of an enzyme-controlled reaction The effect of competitive and non-competitive inhibitors on the rate of an enzyme-controlled reaction The structure of DNA and RNA The semi-conservative replication of DNA ATP as the universal energy currency The properties of water and its importance in Biology Inorganic ions Due to the detail of each of these lessons, it is estimated that it will take in excess of 2 months of allocated teaching time to cover the content. If you would like to see the quality of the lessons, download the monomers and polymers, polysaccharides, triglycerides, dipeptides and polypeptides and inorganic ions lessons as these have been shared for free