Biology

UNIVERSITY OF CAMBRIDGE INTERNATIONAL EXAMINATIONS International General Certificate of Secondary gentility *6509236855* biology Paper 3 Extended 0610/31 may/June 2012 1 hour 15 minutes Candidates answer on the Question Paper. No Additional Materials atomic number 18 need. READ THESE INSTRUCTIONS FIRST redeem your Centre number, candidate number and name on each(prenominal)(prenominal) the incline you render in. frame in dark blue or dour pen. You may use a pencil for any diagrams or graphs. Do not use staples, paper clips, highlighters, glue or subject field fluid. DO NOT WRITE IN every BARCODES. settlement all questions. At the end of the examination, fasten all your work securely together. The number of marks is given in brackets [ ] at the end of each question or discussion comp whizznt part question. For Examiners subprogram 1 2 3 4 5 6 Total This document consists of 18 printed pages and 2 blanched pages. IB12 06_0610_31/5RP © UCLES 2 012 [Turn over 2 1 (a) Fig. 1.1 is a diagram of the gentleman digestive system. For Examiners utilization A B J H C D E G F Fig. 1.1 use up the letters from Fig. 1.1 to complete prorogue 1.1 to give the part of the piece digestive system that is identified by each function. economise single letter only in each box. You may use the same letter more than once. There ar some letters that you will not use.

The first one has been done for you. Table 1.1 function peristalsis protein digestion insulin production deamination partially digested food is mixed with bile most pass is reabsorbed [5] © UCLES 2012 0610/31/M/J/12 letter B 3 The human nutrition provi des nutrients for the synthesis of biologica! l molecules that actualize up cellular phones, cell products and tissues. (b) (i) Complete Table 1.2 to signal the nutrients that are absorbed from food to synthesise the large molecules listed. Table 1.2 large molecules protein glycogen eke out [3] (ii) Mineral ions are required in the human diet in small quantities. differentiate the mineral ion required for each process: nutrients absorbed For Examiners Use making bone...If you want to get a unspoiled essay, run it on our website: OrderEssay.net

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