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Biology · 2013 · November · Paper 2 · SL · Question paper

BiologyQuestion paper2013SLNovember

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This question paper is listed under Biology in the 2013 examination archive. Its catalogue level is SL. The catalogue session is November. 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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16 pages N13/4/BIOLO/SP2/ENG/TZ0/XX Wednesday 13 November 2013 (afternoon) BIOLOGY STANDARD LEVEL PAPER 2 INSTRUCTIONS TO CANDIDATES • Write your session number in the boxes above. • Do not open this examination paper until instructed to do so. • Section A: answer all questions. • Section B: answer one question. • Write your answers in the boxes provided. • A calculator is required for this paper. • The maximum mark for this examination paper is [50 marks]. 1 hour 15 minutes © International Baccalaureate Organization 2013 Examination code 8 8 1 3 – 6 0 0 5 [Personal identifier removed] 16EP01 8813600 5 – 2 – N13/4/BIOLO/SP2/ENG/TZ0/XX 16EP02 SECTION A Answer all questions. Write your answers in the boxes provided. 1. Skeletal muscle fibres normally respond to insulin by absorbing glucose. Failure of skeletal muscle to respond to insulin is a major factor in the development of type II diabetes. (a) Distinguish between type I and type II diabetes. [2] ....................................................................... ....................................................................... ....................................................................... ....................................................................... ....................................................................... ....................................................................... ....................................................................... ....................................................................... A study was undertaken to investigate the effect of plasma lipids on the process of glucose absorption in response to insulin by muscle fibers. Muscle was bathed in a lipid solution for 5 hours. The lipid was then washed out over the next 3 hours. The graph shows the level of plasma fatty acids and the activity of an enzyme involved in glucose absorption in response to insulin over the period of the study. (V alues are means ± standard error) Plasma fatty acid / mM 8 6 4 2 0 4 3 2 1 0 Enzyme activity / arbitrary units 0 2 4 6 8 Hours Key: plasma fatty acid enzyme activity [Source: Chunli Y u, et al. (2002), The Journal of Biological
File information
Subject
Biology
Document type
Question paper
Year
2013
Session
November
Level
SL
Paper
2
Examination zone
Not labelled in the archive
Language
Not labelled in the archive
File size
922 KB
Pages
16
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