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Chemistry · 2001 · May · Paper 3 · HL · Markscheme

ChemistryMarkscheme2001HLMay

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Resource overview

This markscheme is listed under Chemistry in the 2001 examination archive. Its catalogue level is HL. The catalogue session is May. The information below helps you identify the document before opening the complete PDF. Subject, year and session labels come from the archive catalogue; the original cover remains the reference if a label differs. A file is not automatically suitable for your current syllabus simply because its subject name matches.

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MARKSCHEME May 2001 CHEMISTRY Higher Level Paper 3 16 pages M01/420/H(3)M INTERNATIONAL BACCALAUREATE BACCALAURÉAT INTERNATIONAL BACHILLERATO INTERNACIONAL OPTION C – HUMAN BIOCHEMISTRY [1]C1. (a) Chemical messenger / OWTTE [1](b) (i) Testes (Note: Do not award [1] for ovaries, since in humans the production of testosterone by the ovaries is extremely low in comparison with the testes.) (ii) Use ( e.g. treatment of wasting illness / to regain muscle tissue, treatment of eczema) [1]; Abuse (e.g. increase muscle mass to enhance performance / increase strength) [1]; Second use or second abuse [1]. [3 max] (c) Two groups circled correctly [1]; Two correct corresponding names[1]. Accept any two from the following: ! Alkanol / alcohol / hydroxyl; ! Alkene; ! Alkanone / ketone / carbonyl. (Do not accept / methyl / alkyl group or ‘hydroxide’)3CH [2 max] (d) Allow any one from: ! Cholesterol has an OH group instead of the group in testosterone;CO== ! Cholesterol has an alkyl/hydrocarbon side-chain instead of the OH group in testosterone; ! There is no carbonyl group present in cholesterol; ! The position of the bond is different in cholesterol compared toCC== testosterone. (Or any other correct answer, relating to structural differences.) [1 max] – 6 – M01/420/H(3)M
File information
Subject
Chemistry
Document type
Markscheme
Year
2001
Session
May
Level
HL
Paper
3
Examination zone
Not labelled in the archive
Language
Not labelled in the archive
File size
147 KB
Pages
12
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