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2025 AQA A LEVEL BIOLOGY PAPER 2 MARK SCHEME (7402/2)

  • 2025 AQA A LEVEL BIOLOGY PAPER 2 MARK SCHEME (7402/2)

  • Exam (elaborations) • 24 pages • 2025
  • 2025 AQA A LEVEL BIOLOGY PAPER 2 MARK SCHEME (7402/2)
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AQA A LEVEL BIOLOGY PAPER 2 QUESTIONS AND 100% CORRECT ANSWERS FOR YEAR 2025(7402/2)

  • AQA A LEVEL BIOLOGY PAPER 2 QUESTIONS AND 100% CORRECT ANSWERS FOR YEAR 2025(7402/2)

  • Exam (elaborations) • 14 pages • 2025
  • AQA A LEVEL BIOLOGY PAPER 2 QUESTIONS AND 100% CORRECT ANSWERS FOR YEAR 2025(7402/2) describe and explain the steps in the light dependent reaction of photosynthesis - Answer 1. photoionisation: light reaches chlorophyll in PSII, which is absorbed by an electron, which becomes excited and moves to a higher energy level. 2. the electron passes to a carrier protein in the thylakoid membrane, and is passed down a series of carrier molecules called an electron transfer chain. 3. as the electr...
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