Biology > AS Mark Scheme > AQA A-level BIOLOGY 7402/3 (All)
AQA A-level BIOLOGY 7402/3
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1. High blood/hydrostatic pressure; 2. Two named small substances pass out eg water, glucose, ions, urea; 3. (Through small) gaps/pores/fenestrations in (capillary) endothelium; 4. (And) through ... (capillary) basement membrane; 3 max Ignore references to podocytes 1. Ignore references to afferent and efferent arterioles 1. Ignore ‘increasing/higher blood pressure’ as does not necessarily mean high 2. Accept correct named ions 2. Accept mineral ions/minerals 2. Accept amino acids/small proteins 2. Ignore references to molecules not filtered 3. Accept epithelium for endothelium [Show More]
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AQA QUESTIONS AND ANSWERS
AQA QUESTIONS AND ANSWERS
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