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Mr Science

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Head of science Check out my Youtube channel for free videos to support your teaching, https://www.youtube.com/mrscience88

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Head of science Check out my Youtube channel for free videos to support your teaching, https://www.youtube.com/mrscience88
International A-level Biology Edexcel Topic 3- Eukaryotic cells
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International A-level Biology Edexcel Topic 3- Eukaryotic cells

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Designed for the new specification International A-level edexcel course but can be modified for other exam boards. 30 slides covering Eukaryotic cells By the end of the powerpoint students would have covered: -Ultrastructure of eukaryotic cells -Understand the function of the organelles in eukaryotic cells -Recognise the organelles in eukaryotic cells from electron microscope (EM) images. Powerpoint contains exam questions
International A-level Biology Edexcel Topic 3- The cell cycle
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International A-level Biology Edexcel Topic 3- The cell cycle

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Designed for the new specification International A-level edexcel course but can be modified for other exam boards. 21 slides covering The cell cycle By the end of the powerpoint students would have covered: -The cell cycle’s role in the production of identical daughter cells for growth and asexual reproduction. Powerpoint contains exam questions
AQA GCSE Biology- Control of blood glucose levels
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AQA GCSE Biology- Control of blood glucose levels

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Designed for the new specification AQA GCSE( covers spec point 4.5.3.2 ) course but can be modified for other exam boards. 19 slides covering Control of blood glucose levels: Describe how Blood glucose concentration is monitored and controlled by the pancreas Explain the difference between Type 1 and Type 2 diabetes Extract information and interpret data from graphs that show the effect of insulin in blood glucose levels
IAL Edexcel Biology Topic 3- Revision questions
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IAL Edexcel Biology Topic 3- Revision questions

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Worksheet contains 320 active recall questions to cover Topic 3 – Cell Structure, Reproduction and Development from the international edexcel biology course. The questions can be used for: -Short quizzes -Revision questions -Homework -Assesssment
AQA GCSE Biology -Plant tissues, organs and systems
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AQA GCSE Biology -Plant tissues, organs and systems

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Designed for the new specification AQA GCSE course but can be modified for other exam boards. 26 slides covering Plant tissues, organs and systems. By the end of the powerpoint students would have covered: 4.2.3.1 Plant tissues 4.2.3.2 Plant organ system
IGCSE Edexcel Biology (9-1) Inheritance *Updated*
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IGCSE Edexcel Biology (9-1) Inheritance *Updated*

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Designed for the new specification IGCSE edexcel course but can be used for other examination boards. Covers: (b) Inheritance 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 and translation, including the role of mRNA, ribosomes, tRNA, codons and anticodons 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 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 3.33 understand that variation within a species can be genetic, environmental, or a combination of both 3.34 understand that mutation is a rare, random change in genetic material that can be inherited 3.35B understand how a change in DNA can affect the phenotype by altering the sequence of amino acids in a protein 3.36B understand how most genetic mutations have no effect on the phenotype, some have a small effect and rarely do they have a significant effect 3.38 explain Darwin’s theory of evolution by natural selection 3.39 understand how resistance to antibiotics can increase in bacterial populations, and appreciate how such an increase can lead to infections being difficult to control
IGCSE Edexcel Biology (9-1) Reproduction (Flowering plants) *Updated*
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IGCSE Edexcel Biology (9-1) Reproduction (Flowering plants) *Updated*

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Designed for the new specification IGCSE edexcel course but can be used for other examination boards. Covers: (a) Reproduction 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 Flowering plants 3.3  describe the structures of an insect-pollinated and a wind-pollinated flower and explain how each is adapted for pollination 3.4  understand that the growth of the pollen tube followed by fertilisation leads to seed and fruit formation 3.5  practical: investigate the conditions needed for seed germination 3.6  understand how germinating seeds utilise food reserves until the seedling can carry out photosynthesis 3.7  understand that plants can reproduce asexually by natural methods (illustrated by runners) and by artificial methods (illustrated by cuttings)
AQA GCSE Biology- The heart and blood vessels
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AQA GCSE Biology- The heart and blood vessels

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Designed for the new specification AQA GCSE course but can be modified for other exam boards. 23 slides covering the The heart and blood vessels. By the end of the powerpoint students would have covered: Students should know the structure and functioning of the human heart and lungs, including how lungs are adapted for gaseous exchange. The heart is an organ that pumps blood around the body in a double circulatory system. The right ventricle pumps blood to the lungs where gas exchange takes place. The left ventricle pumps blood around the rest of the body. Knowledge of the blood vessels associated with the heart is limited to the aorta, vena cava, pulmonary artery, pulmonary vein and coronary arteries. Knowledge of the names of the heart valves is not required. Knowledge of the lungs is restricted to the trachea, bronchi, alveoli and the capillary network surrounding the alveoli. The natural resting heart rate is controlled by a group of cells located in the right atrium that act as a pacemaker. Artificial pacemakers are electrical devices used to correct irregularities in the heart rate. The body contains three different types of blood vessel: • arteries • veins • capillaries. Students should be able to explain how the structure of these vessels relates to their functions. Students should be able to use simple compound measures such as rate and carry out rate calculations for blood flow.
AQA GCSE Biology- How materials are cycled
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AQA GCSE Biology- How materials are cycled

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Designed for the new specification AQA GCSE( covers spec point 4.7.2 ) course but can be modified for other exam boards. 20 slides covering How materials are cycled (carbon cycle and water cycle): 4.7.2.2 How materials are cycled
AQA GCSE Biology- Decomposition
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AQA GCSE Biology- Decomposition

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Designed for the new specification AQA GCSE( covers spec point 4.7.2 ) course but can be modified for other exam boards. 18 slides covering Decomposition. By the end of the powerpoint students would have covered: 4.7.2.3 Decomposition (biology only)
IGCSE Edexcel Biology (9-1) Gas exchange (Humans) *UPDATED*
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IGCSE Edexcel Biology (9-1) Gas exchange (Humans) *UPDATED*

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Designed for the new specification IGCSE Edexcel course but can be used for other examination boards. Covers: (g) 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
IGCSE Edexcel Biology (9-1) Phototropism and Gravitropism *Updated*
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IGCSE Edexcel Biology (9-1) Phototropism and Gravitropism *Updated*

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Designed for the new specification IGCSE edexcel course but can be used for other examination boards. Covers: 2.80  understand how organisms are able to respond to changes in their environment 2.81  understand that homeostasis is the maintenance of a constant internal environment, and that body water content and body temperature are both examples of homeostasis 2.82  understand that a co-ordinated response requires a stimulus, a receptor and an effector Flowering plants 2.83  understand that plants respond to stimuli 2.84  describe the geotropic and phototropic responses of roots and stems 2.85  understand the role of auxin in the phototropic response of stems
IGCSE Edexcel Biology (9-1) Respiration *UPDATED*
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IGCSE Edexcel Biology (9-1) Respiration *UPDATED*

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Designed for the new specification IGCSE Edexcel course but can be used for other examination boards. Covers: (f) Respiration 2.34 understand how the process of respiration produces ATP in living organisms 2.35 know that ATP provides energy for cells 2.36 describe the differences between aerobic and anaerobic respiration 2.37 know the word equation and the balanced chemical symbol equation for aerobic respiration in living organisms 2.38 know the word equation for anaerobic respiration in plants and in animals 2.39 practical: investigate the evolution of carbon dioxide and heat from respiring seeds or other suitable living organisms Contains exam style questions.
IGCSE Edexcel Biology (9-1) Photosynthesis *UPDATED*
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IGCSE Edexcel Biology (9-1) Photosynthesis *UPDATED*

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Designed for the new specification IGCSE Edexcel course but can be used for other examination boards. Covers: (e) Nutrition Flowering plants 2.18 understand the process of photosynthesis and its importance in the conversion of light energy to chemical energy 2.19 know the word equation and the balanced chemical symbol equation for photosynthesis 2.20 understand how varying carbon dioxide concentration, light intensity and temperature affect the rate of photosynthesis 2.21 describe the structure of the leaf and explain how it is adapted for photosynthesis 2.22 understand that plants require mineral ions for growth, and that magnesium ions are needed for chlorophyll and nitrate ions are needed for amino acids 2.23 practical: investigate photosynthesis, showing the evolution of oxygen from a water plant, the production of starch and the requirements of light, carbon dioxide and chlorophyll
IGCSE Edexcel Biology (9-1) Selective breeding
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IGCSE Edexcel Biology (9-1) Selective breeding

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Designed for the new specification IGCSE Edexcel course but can be used for other examination boards. Covers: (b) Selective breeding 5.10  understand how selective breeding can develop plants with desired characteristics. 5.11  understand how selective breeding can develop animals with desired characteristics.
IGCSE Edexcel Biology (9-1) Food production (Crop plants)
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IGCSE Edexcel Biology (9-1) Food production (Crop plants)

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Designed for the new specification IGCSE Edexcel course but can be used for other examination boards. Covers: (a) Food production Crop plants 5.1  describe how glasshouses and polythene tunnels can be used to increase the yield of certain crops 5.2  understand the effects on crop yield of increased carbon dioxide and increased temperature in glasshouses 5.3  understand how the use of fertiliser can increase crop yield 5.4  understand the reasons for pest control and the advantages and disadvantages of using pesticides and biological control with crop plants
AQA B11 Hormonal coordination
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AQA B11 Hormonal coordination

6 Resources
Check out my other resources at www.tes.com/teaching-resources/shop/mr_science Contains topics covering (7 powerpoints): Human endocrine system Control of blood glucose levels Hormones in human reproduction Contraception Treating infertility Negative feedback Plant hormones and response Using plant hormones Lessons are designed for the new AQA course covering specification points: 4.5.3.1, 4.5.3.2, 4.5.3.4, 4.5.3.5, 4.5.3.6, 4.5.3.7, 4.5.4.1 and 4.5.4.2 These lessons can be adapted to be used with other exam boards as all new science specifications now cover the same content.
Treating cardiovascular diseases
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Treating cardiovascular diseases

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For more teaching resources check out: www.tes.com/teaching-resources/shop/mr_science Please leave a review Lesson covering: Factors that lead to CVD Treatments for CVD Evaluate different treatments for cardiovascular disease