This bundle of 7 lessons covers the majority of the content in Topic B1 (Key concepts in Biology) of the Edexcel GCSE Combined Science specification. The topics covered within these lessons include: Animal cells Plant cells Bacterial cells Specialised cells Changes in microscopic technology Number, size and scale The relationship between quantitative units Enzyme properties and action Enzyme activity Osmosis Active transport 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 11 lessons covers the majority of the content in Topic B3 (Organism level systems) of the OCR Gateway A GCSE Combined Science specification. The topics covered within these lessons include: The nervous system Hormones and the endocrine system Adrenaline Negative feedback loops Thyroid gland and thyroxine The menstrual cycle Contraception Using hormones to treat infertility Homeostasis Controlling blood glucose Diabetes 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.

All of the 9 lessons that are included in this bundle are highly detailed and are fully-resourced. The lesson PowerPoints and their accompanying worksheets contain a wide range of tasks that will engage and motivate the students whilst covering the following specification points as set out in topic 4 of the Edexcel International A-level Biology specification: The structure and ultrastructure of plant cells The function of the organelles in plant cells The structure and function of starch and cellulose The similarities and differences between the structures, position and functions of sclerenchyma, xylem and phloem Understand that classification is a means of organising the variety of life based on relationships between organisms New taxonomic groupings The meaning of the terms biodiversity and endemism Know how biodiversity can be measured within a habitat and within a species Comparing biodiversity between habitats using the index of diversity The adaptations of organisms to their environment Use of the Hardy-Weinberg equation Changes in allele frequency are the result of mutation and natural selection Evaluate the methods used by zoos and seed banks in the conservation of endangered species and their genetic diversity If you would like to sample the quality of lessons in this bundle then download the cellulose & starch and modern-day classification lessons as these have been uploaded for free

This bundle of 7 lessons covers the majority of the content in Topic C9 (Separate Chemistry 2) of the Edexcel GCSE Chemistry specification. The topics covered within these lessons include: Detecting cations Detecting anions Alkanes as saturated hydrocarbons Alkenes as unsaturated hydrocarbons Testing with bromine water Complete combustion of hydrocarbons Polymers Biological polymers Alcohols Carboxylic acids Production of ethanol Nanoparticles 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 11 detailed lesson PowerPoints, which along with their accompanying resources, have been intricately planned to cover the majority of the content of topics 5 and 6 of the CIE A-level Biology specification. The cell cycle, mitosis and protein synthesis are topics that students tend to find difficult and therefore the planning focused on the inclusion of a wide range of tasks that would not only promote the retention of important information and secure knowledge but also maintain motivation and engagement. The tasks include exam-style questions with displayed mark schemes which challenge the students on their current understanding and prior knowledge, guided discussion points and quick quiz competitions which introduce key terms and values. The following specification points are covered by these 11 lessons: Topic 5 The structure of a chromosome, limited to DNA, histone proteins, chromatids, centromere and telomere The importance of mitosis in producing genetically identical cells, growth, cell replacement, repair of tissues and asexual reproduction The cell cycle, including theh G and S phases of interphase, mitosis and cytokinesis The behaviour of chromosomes in animal and plant cells in the mitotic cell cycle Topic 6 The structure of nucleotides, including ATP The structure of DNA and RNA The semi-conservative replication of DNA during interphase A polypeptide is coded for by a gene Gene mutations can cause changes to the polypeptide sequence The information in DNA is used during transcription and translation to construct polypeptides

This bundle of 10 lessons covers the majority of the content in Topic P2 of the Edexcel GCSE Combined Science specification. The topics covered within these lessons include: Scalar and vector quantities Velocity Calculating speed Distance-time graphs Recall and use the acceleration equation Use the equations of motion equation Velocity-time graphs Recall some everyday speeds Use the equation to calculate weight The relationship between weight and gravitational field strength Recall and use the equation for momentum Momentum in collisions The factors affecting stopping distances 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.

Each of the 10 lessons included in this bundle have been written to specifically cover the content as detailed in topic 8 of the AQA A-level Biology specification (The control of gene expression). The wide range of activities will maintain engagement whilst supporting the explanations of the biological knowledge to allow the students to build a deep understanding of this potentially difficult topic! Lessons which cover the following specification points are included in this bundle: Gene mutations and their effect on the structure of proteins Most of a cell’s DNA is not translated Totipotent, pluripotent, multipotent and unipotent stem cells Regulation of transcription by transcription factors The role of oestrogen in initiating transcription Epigenetic control of gene expression in eukaryotes Inhibition of transcription by increased DNA methylation or decreased acetylation of histones Translation of mRNA can be inhibited by RNA interference Determining the genome of simpler organisms to determine the proteome and its applications The development of DNA sequencing methods The production of DNA fragments through use of enzymes or a gene machine The role of the PCR to amplify DNA fragments The transfer of DNA into a host cell VNTRs The technique of genetic fingerprinting to analyse DNA fragments If you would like to see the quality of the lessons, download the producing DNA fragments and DNA methylation and acetylation lessons as these have been uploaded for free

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 11 lessons covers a lot of the content in Topic P4 (Waves and radioactivity) of the OCR Gateway A GCSE Combined Science specification. The topics covered within these lessons include: Waves and their properties Wave velocity Reflection and Refraction EM waves Uses of EM waves Isotopes Radiation properties Decay equations Half-life Background radiation Dangers of radioactivity 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 11 lessons covers the majority of the content in Topic P2 (Electricity) of the AQA Trilogy GCSE Combined Science specification. The topics covered within these lessons include: Circuit diagram symbols Electric charge and current Current, resistance and potential difference Resistors Diodes Series and parallel circuits Electricity in the home Power The National Grid 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 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 bundle of 10 lessons covers all of the content in Topic C4 (Stoichiometry) of the core and supplement sections of the Cambridge iGCSE Science Double Award specification. The topics and specific points covered within these lessons include: Use the symbols of the elements and write the formulae of simple compounds Determine the formula of an ionic compounds from the charges on the ions present Construct and use word equations Construct and use symbol equations, with state symbols, including ionic equations Deduce the balanced equation Relative formula mass Define the mole in terms of Avogadro’s constant Use the molar gas volume Calculate stoichiometric reacting masses and volumes of gases Calculate the concentration of solution 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 bundle of 9 lessons covers the majority of the content in Topic P1 (Motion) of the core and supplement sections of the Cambridge iGCSE Science Double Award specification. The topics and specification points covered within these lessons include: Define speed and calculate average speed Distinguish between speed and velocity Define and calculate acceleration Plot distance-time graphs and speed-time graphs Calculate acceleration and distance travelled from a speed-time graph Distinguish between mass and weight Recall and use the equation W = mg Describe how forces can affect a body Plot and interpret extension-load graphs Understand Hooke’s Law Friction and air resistance Resultant forces Calculating moments The principle of moments 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 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