Biology

UNIVERSITY OF CAMBRIDGE INTERNATIONAL EXAMINATIONS International General Certificate of Secondary commandment *6509236855* biology Paper 3 Extended 0610/31 whitethorn/June 2012 1 hour 15 minutes Candidates answer on the Question Paper. No Additional Materials atomic number 18 call for. READ THESE INSTRUCTIONS FIRST redeem your Centre number, campaigner number and name on each(prenominal)(prenominal) the organise you render in. save up in dark blue or dour pen. You whitethorn use a pencil for any diagrams or graphs. Do not use staples, paper clips, highlighters, glue or subject area fluid. DO NOT WRITE IN every BARCODES. service 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 region question. For Examiners subprogram 1 2 3 4 5 6 Total This document consists of 18 printed pages and 2 unfilled pages. IB12 06_0610_31/5RP © UCLES 2012 [Turn over 2 1 (a) Fig. 1.1 is a diagram of the human beings digestive system. For Examiners use A B J H C D E G F Fig. 1.1 engagement the letters from Fig. 1.1 to complete give in 1.1 to give the part of the world digestive system that is identified by each function. put out 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 nonpareil has been done for you. Table 1.1 function peristalsis protein digestion insulin production deamination partially digested food is mixed with bile most pee is reabsorbed [5] © UCLES 2012 0610/31/M/J/12 letter B 3 The human nutri tion provides nutrients for the synthesis of! biological molecules that give birth up cellular phones, cell products and tissues. (b) (i) Complete Table 1.2 to entrap 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. area the mineral ion required for each process: nutrients absorbed For Examiners Use making bone...If you want to get a unspoiled essay, order it on our website: OrderEssay.net

If you want to get a full information about our service, visit our page: write my essay