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Bioscience Rocks

Bioscience Rocks is a shop that specialises in resources for A-Level Biology and Applied Science students. The resources include a range of activities, starters, worksheets and powerpoints, all of which have been used successfully with students of a wide range of abilities. The author is a National Expert Teacher of Science (awarded by National Science Learning Centre) and also a National Space Academy Lead Educator with a long track record of producing high quality educational resources.

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Bioscience Rocks is a shop that specialises in resources for A-Level Biology and Applied Science students. The resources include a range of activities, starters, worksheets and powerpoints, all of which have been used successfully with students of a wide range of abilities. The author is a National Expert Teacher of Science (awarded by National Science Learning Centre) and also a National Space Academy Lead Educator with a long track record of producing high quality educational resources.
Enzyme inhibitors starter/plenary
cmrcarr

Enzyme inhibitors starter/plenary

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A worksheet that can serve as either a starter or plenary review of competitive and non-competitive inhibitors. The worksheet ends with a review of end-product inhibition - often missed by students when they revise this topic. Key words: enzyme, inhibitor, active site, competitive, non-competitive, end-product To view more resources: https://www.tes.com/teaching-resources/shop/cmrcarr
Dihybrid cross questions with modified ratios
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Dihybrid cross questions with modified ratios

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A resource aimed at advanced biology students, this worksheet provides some more unusual examples of dihybrid cross genetics including malvidin production in primrose, kernel colour in wheat and fruit colour in squash; all students will be aware of the classic 9:3:3:1 ratio, but they can often struggle when other factors such as codominance are included in the question. This resource is ideal stretch and challenge material for more able students once they have mastered the basics of the dihybrid cross. It is also ideal preparation for the more challenging questions on this topic favoured by most exam boards. Keywords: dihybrid, ratio, cross, genetics
Osmosis starter worksheet
cmrcarr

Osmosis starter worksheet

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A resource aimed at GCSE (14-16 year old) biology students, this worksheet consists of nine questions that probe understanding of the process of osmosis. This resource is ideal to use as a starter activity following the classic practical investigation into how different concentrations of salt or sugar solution affect the mass of a potato chip. Key words: osmosis, mass, percentage change, water, concentration
The Nerve Impulse - a step by step interactive worksheet
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The Nerve Impulse - a step by step interactive worksheet

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A comprehensive six page worksheet aimed at advanced biology students, this resource deals with all the major aspects of how a nerve impulse originates and is propagated along a neurone. The worksheets include diagrams that show the different open and closed positions of sodium and potassium channels with space for students to show their own positions of the relevant ions (this is with reference to an online animation - weblink included on the worksheet). The worksheet also has a labelling exercise for the classic action potential graph as well as details on saltatory conductance and factors affecting speed of impulse transmission. Key words: nerve, neurone, depolarisation, repolarisation, refractory period, action potential, resting potential, sodium, potassium, diffusion, ATP, ATPase pump
Nitrogen Cycle - independent learning task
cmrcarr

Nitrogen Cycle - independent learning task

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A worksheet aimed at A-Level Biology students which sets out a series of research tasks for students to learn about the nitrogen cycle. A good resource to use at the start of this topic as homework or in class by dividing out each piece of key research among the class. Internet websites are listed which provide useful animations and information for students to use as they complete their research. Key words: nitrogen cycle, deamination, ammonification, denitrification, nitrification, nitrogen fixation, nitrogen, ammonia, nitrite, nitrate, ammonium ions, symbiotic
Make a Model of Meiosis
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Make a Model of Meiosis

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An activity aimed at advanced level biology students, this resource provides a detailed step by step set of instructions for students to construct their own detailed models of cells undergoing meiotic cell division. The activity provides an excellent way for students to clarify their understanding on how chromosomes behave and appear at different stages of meiosis and how haploid cells are produced from diploid cells. The second page of the activity provides a template of cell diagrams which can be printed out on A3 paper and used as a template for student to attach their models. Once complete, students can then copy a diagram of their model or take a photograph to record their work. The activity also contains an extension task which asks students to consider the impact of independent assortment of chromosomes. Please note that this activity requires two sets of pipecleaners (each of different colours and some adhesive white labels to identify genes carried on each pipecleaner 'chromosome'.
Natural and artificial fertilisers
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Natural and artificial fertilisers

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A resource suitable for post-16 year old students, this worksheet explores the reasons why fertilisers are necessary for healthy plant growth and the advantages/disadvantages of natural and artificial fertilisers. Key words: Natural, artificial, fertiliser
Thermoregulation research
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Thermoregulation research

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A worksheet aimed at higher ability 14-16 students or advanced post 16 biology students, this resource provides a research task for students to independently learn about the topic of thermoregulation. Various prompts are provided along with a set of internet links that students can use for their research. Key words: thermoregulation, vasoconstriction, vasodilation, sweating, shivering, piloerection, homeostasis, negative feedback
Protein structure worksheet
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Protein structure worksheet

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This is a worksheet that focuses on how proteins form increasingly complex structures (primary, secondary, tertiary and quaternary). There are extension questions at the end for the more able. The resource is suitable for A-Level Biology students and would be a useful plenary or starter exercise once a lesson on protein structure had been completed. Key words: Protein, amino acids, condensation, peptide, primary, secondary, tertiary, quaternary, conformation
Osmosis - calculating water potential and predicting water movement into and out of cells
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Osmosis - calculating water potential and predicting water movement into and out of cells

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A worksheet aimed at advanced level biology students, this resource has a series of questions that require students to calculate water potential values in order to predict the direction of water movement between different cells. The worksheet also has diagrams of both animal cells and plant cells showing water movement in, out and no net movement - students are required to match each diagram to the circumstance that would cause each effect. A useful worksheet to review understanding of the key ideas involved with osmosis
Codominance questions
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Codominance questions

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A worksheet aimed at advanced biology students, this resource consists of eight questions that focus on both multiple alleles and codominance. The examples chosen include fur colour in cats, hair colour in cattle and the appearance of the (fictional) American Bigfoot! A good resource to use as either a starter or plenary exercise to test understanding of either codominance or multiple alleles and phenotypic ratios. Key words: genetics, phenotype, codominance, multiple alleles, monohybrid
Make Your Own Microscope
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Make Your Own Microscope

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This is a highly engaging activity aimed at 11-16 year olds, but which could easily be adapted for younger children. The activity involves producing a simple microscope from a plastic tumbler, cling film and water. By placing water into a cling film well, students create a lens which refracts light and magnifies objects that can be viewed at the bottom of a plastic tube. Students can alter the shape of the lens and the amount of water to see the impact on magnification. The activity sheets include full instructions (with photographs) on how to set up the microscope and also a table of results for students to fill in details of specimen size, image size and calculate the magnification. For younger students , the second page of the activity sheet provides details of how to set up the microscope; students could then be taken on a nature trail or encouraged to observe small specimens around the room (sweets work well!) Key words: magnification, activity, microscope, specimen, lens, refraction
Haemophilia - interpreting the results of a Royal Family pedigree
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Haemophilia - interpreting the results of a Royal Family pedigree

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A resource aimed at advanced biology students, this worksheet requires students to interpret the British Royal Family pedigree chart and explain the inheritance of haemophilia from Queen Victoria (thought to be where the mutation first arose) onwards. Keywords: pedigree, chart, genetics, haemophilia, gene, allele, mutation, probablility
Amino acids
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Amino acids

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Worksheet starter task to recap the basics of amino acid structure
The Phosphorous Cycle - Draw It!
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The Phosphorous Cycle - Draw It!

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An activity aimed at A-Level Biology students. This activity involves a series of statements that can be given to a class at the start of a lesson with the instruction that they draw the phosphorous cycle based on this information. Students should initially do this in pairs but can then be teamed up in larger groups to show, discuss and explain their own diagrammatic interpretations of the phosphorus cycle. Finally, the whole class can be brought together to discuss the best way of joining these statements together into an agreed phosphorous cycle. Key words: Phosphorous, cycle, ATP, NADP, weathering, phosphates, fertilisers, glycolysis, kinase, phosphorylation
Calculating statistical significance; effect of caffeine on heart rate of Daphnia
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Calculating statistical significance; effect of caffeine on heart rate of Daphnia

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A worksheet that is aimed at A-Level Biology students, providing data from an investigation into the effect of caffeine on the heart rate of Daphnia. Students are required to use the 95% confidence limits and standard error test to determine whether the results are statistically significant or not. Key words: Statistics, Daphnia, heart rate, caffeine, 95% confidence limits, standard error, standard deviation, significance, null hypothesis
Using quadrats to estimate population size of plant species
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Using quadrats to estimate population size of plant species

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A worksheet that provides secondary data from an investigation into the population density/abundance of plant species in a field. The worksheet requires some calculations to estimate population density and total population size across the whole field. There is also consideration of the reasons why quadrats are always deployed randomly and why random sampling is required for any fieldwork investigation. Key words: quadrat, fieldwork, dandelions, daisies. estimate, population, density, abundance, calculations
Calculating magnification, diagram size and real size
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Calculating magnification, diagram size and real size

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A worksheet aimed at advanced biology students, this resource contains a number of exercises that require students to make measurements from diagrams and calculate magnification. The exercises also require changing the subject of the magnification formula to work out real size of cells and using a scale bar to calculate magnification. Finally. there are questions about the nature of magnification and resolution and the electron microscope.
Lung disorders and disease - Fick's Law
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Lung disorders and disease - Fick's Law

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This resource is aimed at A-Level Biology students and lists the mechanisms behind each of four different lung diseases and disorders: asthma, tuberculosis, pulmonary fibrosis and emphysema. As well as being a useful collection of revision notes in itself, the task here is for students to explain how each of these diseases causes a reduced tolerance to exercise - this is often asked in exam questions and requires students to apply their knowledge of Fick's Law. Each disease will impact on surface area, concentration gradient and/or thickness of exchange surface thereby reducing the rate of diffusion; the challenge is for students to explain this
Enzymes research
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Enzymes research

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A worksheet to be used as an introduction to enzymes. The weblinks at the bottom of the worksheet link this topic to the some of the neurotoxins and haemolytic toxins found in snake venom - an engaging context to spark the interest of learners.