N10/5/MATME/SP1/ENG/TZ0/XX/M MARKSCHEME November 2010 MATHEMATICS Standard Level Paper 1 18 pages –2– N10/5/MATME/SP1/ENG/TZ0/XX/M This markscheme is confidential and for the exclusive use of examiners in this examination session. It is the property of the International Baccalaureate and must not be reproduced or distributed to any other person without the authorization of IB Cardiff. –3– N10/5/MATME/SP1/ENG/TZ0/XX/M Instructions to Examiners Abbreviations M (M)
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only one element like Pascal’s does. To solve this I just added 1 to each row number. This gives me the formula[pic]. |(Row number +1)C2 |Numerator | |(2+1)C2 |= 3 | |(3+1) C2 |= 6 | |(4+1)C2 |=10 | |(5+1)C2 |=15
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Antibodies are protein molecules which are produced in response to a specific pathogen. Each antibody is different. It’s a Y shaped protein that attaches to the antigen on a (bacteria) cell. Steps of immune response and creation of antibodies; 1. A specific antigen type is identified 2. A specific B lymphocyte is identified that can produce an antibody which will bind to the antigen (proteins on the pathogen) 3. The B lymphocytes and several identical B lymphocytes clone themselves via mitosis to rapidly
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SL Math Internal Assessment: Stellar Numbers 374603 Mr. T. Persaud Due Date: March 07‚ 2011 Part 1: Below is a series of triangle patterned sets of dots. The numbers of dots in each diagram are examples of triangular numbers. Let the variable ‘n’ represent the term number in the sequence. n=1 n=2 n=3 n=4 n=5 1 3 6
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Vocabulary List General and Topic Areas 1 to 5 GCSE French OCR GCSE in French: J730 OCR GCSE (Short Course) in French Spoken Language: J030 OCR GCSE (Short Course) in French Written Language: J130 This Vocabulary List is designed to accompany the OCR GCSE French Specification for teaching from September 2009 © OCR 2010 Contents Contents French GCSE Vocabulary List French Vocabulary List General 2 3 5 12 12 21 28 28 31 36 36 37 40 40 42 48 48 51 Topic Area 1 Home and local area Life in the home;
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• Type 1 Type 1 often affects people under 30 years of age but can develop at any time. In Type 1 diabetes‚ your pancreas stops making insulin or only makes a very small amount. Without insulin‚ glucose cannot enter into your cells which need to burn glucose for energy. Some people are born with the genes‚ but only some will develop it. While there is no such thing as a good or bad diabetic‚ some individuals have very wide‚ unsteady swings in blood sugars. This happens when their bodies have extreme
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IB DIPLOMA PROGRAMME PROGRAMME DU DIPLÔME DU BI PROGRAMA DEL DIPLOMA DEL BI M07/3/BUSMT/SP1/ENG/TZ0/XX 22075013 BUSINESS AND MANAGEMENT STANDARD LEVEL PAPER 1 Thursday 17 May 2007 (afternoon) 1 hour 30 minutes INSTRUcTIONS TO cANDIDATES Do not turn over this examination paper until instructed to do so. Read the case study carefully and then answer all the questions. 2207-5013 2 pages © IBO 2007 http://www.xtremepapers.net –2– 1. 2. (a) 4. Draw an organizational chart for
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some marks may be given for a correct method‚ provided this is shown by written working. You are therefore advised to show all working. Section a Answer all the questions in the spaces provided. Working may be continued below the lines‚ if necessary. 1. [Maximum mark: 4] The graph below shows y = a cos (bx) + c . y 4 2 x –2 0 –2 –4 2 4 6 Find the value of a ‚ the value of b and the value of c . .................................................................... .............
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2.1.1 Distinguish between biotic and abiotic components of an ecosystem * Biotic factors in an ecosystem are living‚ biological factors that may influence an organism in an ecosystem * Abiotic factors are non-living‚ physical factors that may influence an organism in an ecosystem 2.1.2 Define the term trophic level * The position that an organism occupies in a food chain‚ or a group of organisms in a community that occupy the same position in food chains 2.1.3 Identify and explain
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that the triangle below will be similar to “Pascal’s Triangle”. 1 1 1 1 1 1 1 1 1 1 There are many patterns evident in this triangle‚ for instance I can see that there is a vertical axis of symmetry down the middle of the triangle. Each row starts and ends with the number 1. Each row has one more variable than the number of rows‚ i.e. row 1 has 2 variables. The numerators in the middle stay the same and
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