New Edexcel IGCSE 9-1 4BI1 syllabus for 2017 first examined in 2019 This is a PowerPoint presentation for the topic - Section 3b Inheritance - DNA and Genes 3.14 understand that the genome is the entire DNA of an organism and that a gene is a section of a molecule of DNA that codes for a specific protein 3.15 understand that the nucleus of a cell contains chromosomes on which genes are located 3.16B describe a DNA molecule as two strands coiled to form a double helix, the strands being linked by a series of paired bases: adenine (A) with thymine (T), and cytosine © with guanine (G) 3.17B understand that an RNA molecule is single stranded and contains uracil (U) instead of thymine (T) 3.18B describe the stages of protein synthesis including transcription andtranslation, including the role of mRNA, ribosomes, tRNA, codons and anticodons The file is fully editable, has plenty of original diagrams and animations along with true false concept check questions at the end of the presentation and an exam style question.

This is a full animated and editable teaching PowerPoint for Edexcel Biology B A Level Section 5. It covers respiration and photosynthesis. However, it will be relevant to all A level Biology courses. It covers the following: ATP Aerobic Respiration Summary Glycolysis Link Reaction Krebs Cycle Oxidative Phosphorylation Electron Transport Chain Chemiosmosis Anaerobic Respiration Photosynthetic pigments Light-dependent reactions Cyclic and non-cyclic photophosphorylation Calvin Cycle The PowerPoint is 90 slides long!

A complete PowerPoint lesson to cover this entire topic in Edexcel GCSE Biology 9-1.

New Edexcel IGCSE 9-1 4BI1 syllabus for 2017 first examined in 2019 This is a PowerPoint presentation for the first topic - Section 1b Variety of Living Things 1.2 Describe the common features shown by eukaryotic organisms: plants, animals, fungi and protoctists. 1.3 Describe the common features shown by prokaryotic organisms such as bacteria. 1.4 Understand the term pathogen and know that pathogens may include fungi, bacteria, protoctists or viruses. The file is fully editable, has plenty of original diagrams and animations along with true false concept check questions at the end of the presentation and an exam style question.

This is a quick test to check the main factual knowledge for this topic. This is from a range of tests that cover the whole syllabus. This test is just for the double award biology. There is another set of tests for separate biology IGCSE The tests are based on the order of the CGP revision guide so it makes them easy to revise for. The answers are included

PowerPoint for topic 7.2 Factors affecting gene expression of A Level Biology Edexcel B i Know that transcription factors are proteins that bind to DNA. ii Understand the role of transcription factors in regulating gene expression. iii Understand how post–transcription modification of mRNA in eukaryotic cells (RNA splicing) can result in different products from a single gene. iv Understand that gene expression can be changed by epigenetic modification, including non-coding RNA, histone modification and DNA methylation. v Know that epigenetic modification is important in ensuring cell differentiation.

New Edexcel IGCSE 9-1 4BI1 syllabus for 2017 first examined in 2019 This is a PowerPoint presentation for the topic - Section 3b Inheritance - Genetics 3.19 understand how genes exist in alternative forms called alleles which give rise to differences in inherited characteristics 3.20 understand the meaning of the terms: dominant, recessive, homozygous, heterozygous, phenotype, and genotype 3.21B understand the meaning of the term codominance 3.22 understand that most phenotypic features are the result of polygenic inheritance rather than single genes 3.23 describe patterns of monohybrid inheritance using a genetic diagram 3.24 understand how to interpret family pedigrees 3.25 predict probabilities of outcomes from monohybrid crosses 3.26 understand how the sex of a person is controlled by one pair of chromosomes, XX in a female and XY in a male 3.27 describe the determination of the sex of offspring at fertilisation, using a genetic diagram The file is fully editable, has plenty of original diagrams and animations along with true false concept check questions at the end of the presentation and an exam style question.

New Edexcel IGCSE 9-1 4BI1 syllabus for 2017 first examined in 2019 This is a PowerPoint presentation for the topic - Section 3b Inheritance - Cell Division 3.28 understand how division of a diploid cell by mitosis produces two cells that contain identical sets of chromosomes 3.29 understand that mitosis occurs during growth, repair, cloning and asexual reproduction 3.30 understand how division of a cell by meiosis produces four cells, each with half the number of chromosomes, and that this results in the formation of genetically different haploid gametes 3.31 understand how random fertilisation produces genetic variation of offspring 3.32 know that in human cells the diploid number of chromosomes is 46 and the haploid number is 23 The file is fully editable, has plenty of original diagrams and animations along with true false concept check questions at the end of the presentation and an exam style question.

New Edexcel IGCSE 9-1 4BI1 syllabus for 2017 first examined in 2019 This is a PowerPoint presentation for the topic - Section 4a The organism in the environment 4.1 understand the terms population, community, habitat and ecosystem 4.2 practical: investigate the population size of an organism in two different areas using quadrats 4.3B understand the term biodiversity 4.4B practical: investigate the distribution of organisms in their habitats and measure biodiversity using quadrats 4.5 understand how abiotic and biotic factors affect the population size and distribution oforganisms The file is fully editable, has plenty of original diagrams and animations along with true false concept check questions at the end of the presentation and an exam style question.

New Edexcel IGCSE 9-1 4BI1 syllabus for 2017 first examined in 2019 This is a PowerPoint presentation for the topic - Section 3b Inheritance - Evolution 3.38 explain Darwin’s theory of evolution by natural selection 3.39 understand how resistance to antibiotics can increase in bacterial populations, andappreciate how such an increase can lead to infections being difficult to control The file is fully editable, has plenty of original diagrams and animations along with true false concept check questions at the end of the presentation and an exam style question.

New Edexcel IGCSE 9-1 4BI1 syllabus for 2017 first examined in 2019 This is a PowerPoint presentation for the topic - Section 2h Transport - Flowering Plants 2.51 Understand why simple, unicellular organisms can rely on diffusion for movement of substances in and out of the cell. 2.52 Understand the need for a transport system in multicellular organisms. 2.53 Describe the role of phloem in transporting sucrose and amino acids between the leaves and other parts of the plant. 2.54 Describe the role of xylem in transporting water and mineral ions from the roots to other parts of the plant. 2.55B Understand how water is absorbed by root hair cells. 2.56B Understand that transpiration is the evaporation of water from the surface of a plant. 2.57B Understand how the rate of transpiration is affected by changes in humidity, wind speed, temperature and light intensity. 2.58B Practical: investigate the role of environmental factors in determining the rate of transpiration from a leafy shoot. The file is fully editable, has plenty of original diagrams and animations along with true false concept check questions at the end of the presentation and an exam style question.

New Edexcel IGCSE 9-1 4BI1 syllabus for 2017 first examined in 2019 This is a PowerPoint presentation for the topic - 2h Transport - Humans 2.59 Describe the composition of the blood: red blood cells, white blood cells, platelets and plasma. 2.60 Understand the role of plasma in the transport of carbon dioxide, digested food, urea, hormones and heat energy. 2.61 Understand how adaptations of red blood cells make them suitable for the transport of oxygen, including shape, the absence of a nucleus and the presence of haemoglobin. 2.62 Understand how the immune system responds to disease using white blood cells, illustrated by phagocytes ingesting pathogens and lymphocytes releasing antibodies specific to the pathogen. 2.63B Understand how vaccination results in the manufacture of memory cells, which enable future antibody production to the pathogen to occur sooner, faster and in greater quantity. 2.64B Understand how platelets are involved in blood clotting, which prevents blood loss and the entry of micro-organisms. 2.65 Describe the structure of the heart and how it functions. 2.66 Explain how the heart rate changes during exercise and under the influence of adrenaline. 2.67 Understand how factors may increase the risk of developing coronary heart disease. 2.68 Understand how the structure of arteries, veins and capillaries relate to their function. 2.69 Understand the general structure of the circulation system, including the blood vessels to and from the heart and lungs, liver and kidneys. The file is fully editable, has plenty of original diagrams and animations along with true false concept check questions at the end of the presentation and an exam style question.

New Edexcel IGCSE 9-1 4BI1 syllabus for 2017 first examined in 2019 This is a PowerPoint presentation for the topic - Section 2g Gas Exchange - Humans 2.46 describe the structure of the thorax, including the ribs, intercostal muscles, diaphragm, trachea, bronchi, bronchioles, alveoli and pleural membranes 2.47 understand the role of the intercostal muscles and the diaphragm in ventilation 2.48 explain how alveoli are adapted for gas exchange by diffusion between air in the lungs and blood in capillaries 2.49 understand the biological consequences of smoking in relation to the lungs and the circulatory system, including coronary heart disease 2.50 practical: investigate breathing in humans, including the release of carbon dioxide and the effect of exercise The file is fully editable, has plenty of original diagrams and animations along with true false concept check questions at the end of the presentation and an exam style question.

This is the syllabus neatly displayed with tick boxes to assess your understanding (red, amber, green) and a box to tick when you have revised that objective. Very useful when it comes to revision time to to track progress throughout the course

New Edexcel IGCSE 9-1 4BI1 syllabus for 2017 first examined in 2019 This is a PowerPoint presentation for the first topic - Section 2b Cell Structure Section 2b Cell Structure 2.2 describe cell structures, including the nucleus, cytoplasm, cell membrane, cell wall, mitochondria, chloroplasts, ribosomes and vacuole 2.3 describe the functions of the nucleus, cytoplasm, cell membrane, cell wall, mitochondria, chloroplasts, ribosomes and vacuole 2.4 know the similarities and differences in the structure of plant and animal cells 2.5B explain the importance of cell differentiation in the development of specialised cells 2.6B understand the advantages and disadvantages of using stem cells in medicine The file is fully editable, has plenty of original diagrams and animations along with true false concept check questions at the end of the presentation and an exam style question.

This is a quick test to check the main factual knowledge for this topic. This is from a range of tests that cover the whole syllabus. This test is just for the double award biology. There is another set of tests for separate biology IGCSE The tests are based on the order of the CGP revision guide so it makes them easy to revise for. The answers are included

New Edexcel IGCSE 9-1 4BI1 syllabus for 2017 first examined in 2019 This is a PowerPoint presentation for the topic - Section 3a Sexual and Asexual 3.1 understand the differences between sexual and asexual reproduction 3.2 understand that fertilisation involves the fusion of a male and female gamete to produce a zygote that undergoes cell division and develops into an embryo The file is fully editable, has plenty of original diagrams and animations along with true false concept check questions at the end of the presentation and an exam style question.

This is a free sample of the first two sections of this topic in Edexcel GCSE Biology 9-1.