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74023 paper 3 - Study guides, Class notes & Summaries

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AQA A-level BIOLOGY 7402/3 Paper 3 June 2023

  • AQA A-level BIOLOGY 7402/3 Paper 3 June 2023

  • Exam (elaborations) • 41 pages • 2024
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AQA A-level BIOLOGY 7402/3 Paper 3 June 2023 Mark Scheme

  • AQA A-level BIOLOGY 7402/3 Paper 3 June 2023 Mark Scheme

  • Exam (elaborations) • 33 pages • 2024
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AQA A-level BIOLOGY 7402/3 Paper 3 Mark scheme June 2023

  • AQA A-level BIOLOGY 7402/3 Paper 3 Mark scheme June 2023

  • Exam (elaborations) • 30 pages • 2023
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AQA A-level BIOLOGY 7402/2 Paper 2 June 2023

  • AQA A-level BIOLOGY 7402/2 Paper 2 June 2023

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AQA A-level BIOLOGY 7402/2 Paper 2 June 2023 Mark Scheme

  • AQA A-level BIOLOGY 7402/2 Paper 2 June 2023 Mark Scheme

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AQA A-level BIOLOGY 7402/3 Paper 3 Mark scheme June 2023 (VERIFIED)

  • AQA A-level BIOLOGY 7402/3 Paper 3 Mark scheme June 2023 (VERIFIED)

  • Exam (elaborations) • 28 pages • 2024
  • AQA A-level BIOLOGY 7402/3 Paper 3 Mark scheme June 2023 (VERIFIED) (There are) stretch-mediated sodium ion channels (in the membrane); 2. (Increased pressure) deforms/changes (sensory neurone/axon) membrane/lamella(e) OR (Increased pressure) deforms/changes sodium ion channels; 3. Sodium ion channels open; 4. Sodium ions diffuse in; 5. Depolarisation (leading to generator potential); 3 max (3 x AO1) 1. 2. 3. or 4. Accept Na+ Max 2 if only reference to sodium and not sodium ions...
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AQA A level BIOLOGY 7402/3 Paper 3 June 2023 official QUESTION PAPER

  • AQA A level BIOLOGY 7402/3 Paper 3 June 2023 official QUESTION PAPER

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AQA A-level BIOLOGY 7402/3 Paper 3 Mark scheme June 2023 | VERIFIED.

  • AQA A-level BIOLOGY 7402/3 Paper 3 Mark scheme June 2023 | VERIFIED.

  • Exam (elaborations) • 28 pages • 2024
  • AQA A-level BIOLOGY 7402/3 Paper 3 Mark scheme June 2023 | VERIFIED. (There are) stretch-mediated sodium ion channels (in the membrane); 2. (Increased pressure) deforms/changes (sensory neurone/axon) membrane/lamella(e) OR (Increased pressure) deforms/changes sodium ion channels; 3. Sodium ion channels open; 4. Sodium ions diffuse in; 5. Depolarisation (leading to generator potential); 3 max (3 x AO1) 1. 2. 3. or 4. Accept Na+ Max 2 if only reference to sodium and not sodium ion...
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2023 AQA A-level BIOLOGY 7402/3 Paper 3 Question Paper & Mark scheme (Merged) June 2023 [VERIFIED]

  • 2023 AQA A-level BIOLOGY 7402/3 Paper 3 Question Paper & Mark scheme (Merged) June 2023 [VERIFIED]

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    • 2023 AQA A-level BIOLOGY 7402/3 Paper 3 Question Paper & Mark scheme (Merged) June 2023 [VERIFIED] Please write clearly in block capitals. Centre number Candidate number Surname Forename(s) Candidate signature I declare this is my own work. A-level BIOLOGY Paper 3 Wednesday 21 June 2023 Morning Time allowed: 2 hours Materials For this paper you must have: • a ruler with millimetre measurements • a scientific calculator. Instructions • Use black ink or black ball-point ...
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