Biology

UNIVERSITY OF CAMBRIDGE INTERNATIONAL EXAMINATIONS International habitual Certificate of Secondary Education *6509236855* biological science Paper 3 Ext mop uped 0610/31 may/June 2012 1 hour 15 minutes Candidates answer on the drumhead Paper. No Additional Materials atomic chassis 18 needed. depict THESE INSTRUCTIONS FIRST hold open your Centre number, campaigner number and name on separately(prenominal)(prenominal) the blend in you render in. Write in dark blue or dour pen. You whitethorn practice session a pencil for either diagrams or graphs. Do non expend staples, paper clips, highlighters, gum or correction fluid. DO NOT WRITE IN every BARCODES. Answer all(a) questions. At the end of the examination, fetter all your work unwaveringly together. The number of marks is assumption in brackets [ ] at the end of each question or discussion section question. For Examiners social function 1 2 3 4 5 6 Total This document consists of 18 printed pages and 2 blank pages. IB12 06_0610_31/5RP © UCLES 2012 [Turn over 2 1 (a) Fig. 1.1 is a diagram of the gentleman digestive system. For Examiners Use A B J H C D E G F Fig. 1.1 Use the garner from Fig. 1.1 to complete table 1.1 to saltation the part of the valet digestive system that is identified by each function. Write wholeness garner only in each box. You may use the same letter much than once. There ar nearly letters that you will non use.

The first one has been possess for you. Table 1.1 function vermiculation protein digestion insulin production deamination partly digested nutriment is mixed with crust most pissing is reabsorbed [5] © UCLES 2012 0610/31/M/J/12 letter B 3 The human provisions provides nutrients for the synthesis of biological molecules that make up mobile phoneular phones, cell products and tissues. (b) (i) Complete Table 1.2 to submit the nutrients that are absorbed from food to synthesise the large molecules listed. Table 1.2 large molecules protein glycogen eke off [3] (ii) Mineral ions are required in the human aliment in small quantities. render the mineral ion required for each process: nutrients absorbed For Examiners Use making bone...If you pauperism to get a unspoiled essay, order it on our website: Ordercustompaper.com

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