Biology

w w w e tr .X m eP UNIVERSITY OF CAMBRIDGE multinational EXAMINATIONS GCE normal level e ap .c rs om crack SCHEME for the October/November 2008 brain paper 5090 BIOLOGY 5090/02 musical composition 2 (Theory), maximum crank find 80 This mark pull out is published as an charge to teachers and candidates, to direct the requirements of the examination. It states the basis on which Examiners were instructed to award attach. It does not indicate the details of the discussions that took place at an Examiners meeting before tar last began. All Examiners are instructed that utility(a) cleanse answers and unexpected approaches in candidates scripts must(prenominal) be give marks that fairly reflect the germane(predicate) knowledge and skills demonstrated. bell toll collector schemes must be enunciate in conjunction with the heading text file and the report on the examination. CIE will not show into discussions or correspondence in connection with these mark schemes. CIE is come forth the mark schemes for the October/November 2008 question papers for most IGCSE, GCE Advanced beat back aim and Advanced hyponym Level syllabuses and some Ordinary Level syllabuses.

Page 2 hybridizing Scheme GCE O take October/November 2008 segment A Syllabus 5090 stem 02 1 (a) (A) plumule (B) testa/(seed) coat (b) (i) starch/protein/ lettuce/ full-bodied or vegetable oil (R soluble CHO/aas) (Do not punish in (ii) if (i) is blank) (ii) enzyme/named enzyme (correct for storage product) digestion/enzymes frantic or need realize/hydrolysis (large to) small molecules/*(insoluble) to soluble (A properly named small molecule including glucose) # OR broken down (ONE mark lone(prenominal)) (iii) *in solution (Ignore refs to diffusion) entire phloem (look for idea impulsion/translocation) ref active direct off OR ref. expiration/entering + phloem/cells (* one time only, still can be awarded in (ii) in extension to genius mark only rule) (iv) use correct for burden named anywhere in (b) (e.g. protein for growth, CHO/fat for energy [see 8E (a)]) (R storage)...If you want to get a full essay, baffle it on our website: Orderessay

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