Edexcel Igcse Biology Pdf Respiratory System Digestion Get ready for your edexcel igcse biology exams with our revision resources. find everything you need to revise this topic, so you can go into your exam confident and prepared. Summary notes, revision videos and past exam questions by topic for edexcel igcse biology topic 5 use of biological resources.
Edexcel Igcse Biology Use Of Biological Resources Revision Grid This resource contains 18 slides of activities, tailored to the specification. i have included all resources ina single documentr paper 2 is distinguished by using light grey boxes and practical and maths skills indicated by icons in the corner. Different conditions can be investigated, such as temperature (by using a water bath) or concentration of sugar. this acid lowers the ph of the milk, which denatures proteins to give the yoghurt texture. Use of microorganisms: the industrial fermenter is kept in aseptic conditions. this involves using hot steam to sterilise the inside of the fermenter. this ensures that there are no microorganisms present to contaminate the product or to create competition. Edexcel igcse biology topic 5: use of biological resources notes (biology only in bold).
Edexcel Igcse Biology Use Of Biological Resources Revision Grid Use of microorganisms: the industrial fermenter is kept in aseptic conditions. this involves using hot steam to sterilise the inside of the fermenter. this ensures that there are no microorganisms present to contaminate the product or to create competition. Edexcel igcse biology topic 5: use of biological resources notes (biology only in bold). This revision guide has been designed and written to cover the international edexcel gcse biology course. it is part five of a five part series that will cover the entire international edexcel gcse biology course. part five covers “use of biological resources” specification points 5.1 5.20b. Genetic engineering: modifying the genome of an organism by introducing a gene from another organism to give a desired characteristic. bacterial cells have been engineered to produce substances useful to humans, such as human insulin to treat diabetes. Controlling diseases: sea lice can be treaded using pesticides; to avoid pollution from chemical pesticides , biological pest control is used, wrasse are used and eat lice off the backs of fish. Created using the edexcel international gcse biology specification. this resource contains 18 slides of activities, tailored to the specification. i have included all resources ina single documentr. paper 2 is distinguished by using light grey boxes and practical and maths skills indicated by icons in the corner. top ways to use this resource:.
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