Cellulose Structure  & Plant Cell Walls - Edexcel IAS/IAL Biology -  4.2-4.4Quick View
HannahCaldwellHannahCaldwell

Cellulose Structure & Plant Cell Walls - Edexcel IAS/IAL Biology - 4.2-4.4

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This resource includes slides, a student worksheet and answer worksheet going over the structure of cellulose and formation of microfibrils as well as the structure of the primary and secondary plant cell wall - highlighting key information and wording tips from exam questions. There is also a Unit 1 recap of starch structure to allow students to compare the polysaccharides starch and cellulose.
Plant Stems & Tissue Fibres - Xylem & Sclerenchyma - EDEXCEL IAL Biology  4.4 & 4.5Quick View
HannahCaldwellHannahCaldwell

Plant Stems & Tissue Fibres - Xylem & Sclerenchyma - EDEXCEL IAL Biology 4.4 & 4.5

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This set of resources goes over plant fibre tissue types include sclerenchyma, parenchyma, collenchyma, xylem vessels, phloem vessels (vascular bundles). includes a link to a video, exam questions to highlight sections that appear frequently in exams such as the recognising the different plant tissue types from micrographs, a worksheet task with answers and a 6 mark evaluation question approach explanation. The resources also includes 3 mini-quizzes.
Microarrays & Bioinformatics - Edexcel IAL Biology  8.20 - 8.21Quick View
HannahCaldwellHannahCaldwell

Microarrays & Bioinformatics - Edexcel IAL Biology 8.20 - 8.21

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Slides & resources with linked videos and animations going over microarrays and bioinformatics with an exam question starter on genetic engineering and then an exam question plenary on microarrays and bioinformatics. Question to go alongside the videos and a student worksheet with an answer worksheet.