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Wjec biology january 2009 mark scheme


wjec biology january 2009 mark scheme

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Thanks a million ) x hello, does anyone have the jan 10 mark scheme pleasee?
Hi guys i'm finding Meiosis I and Meiosis II difficult to understand - I keep getting confused with chromatids AND chromosomes - i understand the process, but would like to know if anyone has any decent pictures linked with the BY5 explanation of it?Course Materials, all course materials are available on our related documents page.(c) (i) P diffusion Q facilitated diffusion (must have both) 1 (ii) facilitated diffusion causes more rapid movement of molecules through a membrane than simple diffusion; it relies on protein carriers / channel proteins; and the rate is limited by the number Page 6 Question.(a) F / calcium or G / phosphate (b) I / sucrose (c) A / magnesium (d) D / cellulose (e) G / phosphate (f) H / water (mark first answer) 1 mark each Total 6 marks.They were finalised cyberlink powerdirector 10 cnet after detailed discussion at examiners' conferences by all the examiners involved in the assessment.Subscribe, get In Touch, our science subject specialists are on hand to answer any of your queries.View Past Paper, question Bank, create your own practice question paper from thousands of past paper questions.(a) (i) A competitive 1 B non competitive 1 (ii) A 1 (b) (i) 5C kinetic energy is low / few collisions between the (active site) of the enzyme and the substrate; 1 Allow: ref.Assume 0 Page 7 Question Answers/Explanatory Notes Marks Available.Page 2, introduction, the marking schemes which follow were those used by wjec for the January 2009 examination in GCE biology/human biology.(d) long chains cross linked by hydrogen bonds; adjacent glucose molecules are rotated by 180; hydrogen bonds form between hydroxyl groups of adjacent parallel chains; microfibrils.



(a structure Name Function, a Mitonchondrion (Cell) respiration page.
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This page contains information related to our legacy GCE AS/A level Biology specification available in England and Wales (taught from 2009 with one re-sit opportunity in summer 2017 ( conditions apply ).
Reply, submit reply, today on TSR, copyright The Student Room 2017 all rights reserved.Get in touch with your subject specialist or email.Page 1, mS2.00, general certificate OF education, tystysgrif addysg gyffredinol.Sent you it in.Related Documents, digital Resources, we offer an extensive range of free digital educational resources.2 (not: fibres/fibrils) Any.Past papers are possibly the most useful resource when carrying out revision.


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