Biology 06:10 Paper 3 Movement in&out of cells RY Page 4 May/june 2016 Syllabus-0610 Paper 43 4 A student investigated the diffusion of substances through Visking tubing, an artificial membrane which has some of the properties of cell membranes. . The student made a bag of Visking tubing as shown in Fig. 4.1. top of syringe elastic band test-tube Visking bag starch solution bag filled with starch solution and placed into a test-tube of water waier knot 1 Fig. 4.1 The student added some iodine solution to the water in the test-tube. After 30 minutes at room temperature, the contents of the Visking bag were stained blue-black, but the water outside remained a yellow colour. (a) (i) Explain these results,
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Biology, 22.06.2019 17:00, QueenNerdy889
Australopithecus robustus was likely the longest-surviving species of australopithecine in south africa. it had: a. large molars, a big face, and a sagittal crest. b. a large body, large teeth, and a sagittal crest. c. a big brain, big teeth, and a big face. d. a big face, large teeth, and a large body
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Biology 06:10 Paper 3 Movement in&out of cells RY Page 4 May/june 2016 Syllabus-0610 Paper 43 4...
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