AQA, OCR, Edexcel A Level A Level Biology

Visit for more fantastic resources. Maths Made Easy Complete Tuition Ltd 2017 Level AQA, OCR, Edexcel A Level Biology Biological Membrane Answers Name: Total Marks: /28 Visit for more fantastic resources. Maths Made Easy Complete Tuition Ltd 2017 Answer Marks 1. a) i) Use of Glycoproteins/glycolipids identify self cells (our own cells) so white blood cells don t attack them. Allows identification of foreign cells/ pathogens via their antigens. ii) Any one from: - cell communication chemical detection via receptors - barrier between internal and external environment - controls/maintains the two environments iii) Any one from: - Mitochondria contains enzymes for respiration/increases surface area for these reactions -Nucleus allows the RNA to leave in transcri

Biological Membranes A Biology Answers AQA OCR Edexcel Author: Maths Made Easy Subject: A Level Biology Keywords: A Level, Biology, revision, worksheets, resources, free, aqa, new specification, ocr Created Date: 9/28/2017 9:06:15 AM

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