Biology aqa as level - Study guides, Class notes & Summaries
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2023 AQA A-level BIOLOGY 7402/1 Paper 1 Question Paper & Mark scheme (Merged) June 2023 [VERIFIED]
- Exam (elaborations) • 63 pages • 2024
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2023 AQA A-level BIOLOGY 7402/1 Paper 1 
Question Paper & Mark scheme (Merged) June 
2023 [VERIFIED] 
Candidate number 
I declare this is my own work. 
A-level 
BIOLOGY 
Paper 1 
Wednesday 7 June 2023 Afternoon 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 pen. 
• Fill in the boxes at the top of this page. 
• Answer all questions. 
• You must answ...
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2024 AQA AS BIOLOGY 7401/1 Paper 1 Question Paper & Mark scheme (Merged) June 2023 VERIFIED / Biology AQA AS level 7401/1 Paper 1
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2024 AQA AS BIOLOGY 7401/1 
Paper 1 Question Paper & 
Mark scheme (Merged) June 
2023 VERIFIED / Biology AQA 
AS level 7401/1 Paper 1 
Describe the induced-fit model of enzyme action - ANSWER-- 
active site not complementary to/does not fit substrate 
- Shape of active site changes as enzyme- substrate complex forms 
- Distorting bonds (in substrate leading to reaction) 
• The human cell then makes a complementary strand to the HIV DNA. 
The complementary strand is made in the same way as a ne...
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AQA BIOLOGY AS LEVEL JUNE 2023 7401 PAPER 2
- Exam (elaborations) • 33 pages • 2023
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AQA BIOLOGY AS LEVEL JUNE PAPER 2
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AQA AS LEVEL BIOLOGY PAPER 2 MARK SCHEME JUNE 2023 (7401/2)
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AQA AS LEVEL BIOLOGY PAPER 2 MARK SCHEME JUNE 2023 (7401/2)
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AQA BIOLOGY AS LEVEL JUNE 2023 7401 PAPER 2
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AQA BIOLOGY AS LEVEL JUNE 
 PAPER 2
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AS LEVEL AQA BIOLOGY QUESTION PAPER 1 2024
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AS LEVEL AQA BIOLOGY QUESTION PAPER 1 2024
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AQA BIOLOGY AS LEVEL JUNE 2023 7401 PAPER 2 MARKSCHEME
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AQA BIOLOGY AS LEVEL JUNE 
 PAPER 2 
MARKSCHEME
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AQA AS LEVEL JUNE 2023 BIOLOGY PAPER 2
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AQA AS LEVEL JUNE 2023 BIOLOGY PAPER 2
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AQA AS LEVEL BIOLOGY PAPER 1 MARK SCHEME JUNE 2023 (7401/1)
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AQA AS LEVEL BIOLOGY PAPER 1 MARK SCHEME JUNE 2023 (7401/1) 
Genuine and latest updated version
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AQA A-LEVEL BIOLOGY PAPER 2 2023 - MARK SCHEME
- Exam (elaborations) • 21 pages • 2024
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This document contains the accompanying Paper 2 2023 Mark Scheme to the AQA A-level Biology Paper 2 that was sat in 2023, get yours now to prepare for upcoming mocks and as practice.
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