Aqa as biology paper - Study guides, Class notes & Summaries
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AQA AS BIOLOGY Paper 1 MARK SCHEME JUNE 2023
- Exam (elaborations) • 21 pages • 2023
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This is the final mark scheme
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Official June 2024 AQA AS BIOLOGY 7401/1 Paper 1 Merged Question Paper + Mark Scheme
- Exam (elaborations) • 54 pages • 2024
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Official June 2024 
AQA 
AS 
BIOLOGY 
7401/1 
Paper 1 
Merged Question Paper + Mark Scheme
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AQA AS BIOLOGY 7401/1 Paper 1 Version: 1.0 Final *JUN2023 7401101* IB/M/Jun23/E8 7401/1 For Examiner’s Use Question Mark
- Exam (elaborations) • 47 pages • 2024
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AQA 
AS 
BIOLOGY 
7401/1 
Paper 1 
Version: 1.0 Final 
*JUN* 
IB/M/Jun23/E8 7401/1 
For Examiner’s Use 
Question Mark 
1 
2 
3 
4 
5 
6 
7 
8 
9 
TOTAL 
Monday 15 May 2023 Morning Time allowed: 1 hour 30 minutes 
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 answer the questions in t...
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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
- Exam (elaborations) • 7 pages • 2024
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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 BIOLOGY PAPER 1 MARKSCHEME JUNE 2023 (7401/1) VERSION:1.0 Final.
- Exam (elaborations) • 18 pages • 2023
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AQA AS BIOLOGY PAPER 1 MARKSCHEME JUNE 2023 (7401/1) VERSION:1.0 Final.
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AQA AS BIOLOGY PAPER 1 QUESTION PAPER MAY 2023
- Exam (elaborations) • 61 pages • 2023
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AQA AS BIOLOGY PAPER 1 MAY 2023
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aqa AS BIOLOGY Paper 1 (7401/1) Mark scheme June2023
- Exam (elaborations) • 18 pages • 2024
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aqa AS BIOLOGY Paper 1 (7401/1) Mark scheme June2023
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AQA AS LEVEL BIOLOGY PAPER 2 MARK SCHEME JUNE 2023 (7401/2)
- Exam (elaborations) • 17 pages • 2023
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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
- Exam (elaborations) • 33 pages • 2023
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AQA BIOLOGY AS LEVEL JUNE 
 PAPER 2
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