As level biology paper 1 - Study guides, Class notes & Summaries
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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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2023 AQA A-level BIOLOGY 7402/1 Paper 1 Question Paper & Mark scheme (Merged) June 2023 [VERIFIED]
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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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AQA AS LEVEL BIOLOGY Paper 1 June 2022 Question Paper
- Exam (elaborations) • 34 pages • 2023
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AQA AS LEVEL BIOLOGY Paper 1 June 2022 Question Paper 
This is the official Question Paper, Download NOW!!
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AS LEVEL AQA BIOLOGY PAPER 1 MARK SCHEME 2024
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AS LEVEL AQA BIOLOGY PAPER 1 MARK SCHEME 2024
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AQA BIOLOGY AS LEVEL JUNE 2023 PAPER 1
- Exam (elaborations) • 32 pages • 2023
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AQA BIOLOGY AS LEVEL JUNE PAPER 1
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AQA BIOLOGY AS LEVEL JUNE 2023 7401 PAPER 1 MARKSCHEME
- Exam (elaborations) • 20 pages • 2023
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AQA BIOLOGY AS LEVEL JUNE PAPER 1 MARKSCHEME
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Edexcel as level biology question paper 2 ju ne 2023 salters Nuffield + mark scheme
- Exam (elaborations) • 52 pages • 2024 Popular
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Please check the examination details below before entering your candidate information 
Candidate surname Other names 
Centre Number Candidate Number 
Pearson Edexcel Level 3 GCE 
Thursday 25 May 2023 
Morning (Time: 1 hour 30 minutes) Paper reference 8BN0/02 
Total Marks 
Biology A (Salters Nuffield) 
Advanced Subsidiary 
PAPER 2: Development, Plants and the Environment 
You must have: 
Calculator, HB pencil, ruler 
Instructions 
• Use black ink or ball-point pen. 
• Fill in the boxes at the...
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EDEXCEL AS LEVEL BIOLOGYQUESTION PAPER 2 JUNE 2023 SALTERS NUFFIELD .
- Exam (elaborations) • 29 pages • 2023
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EDEXCEL AS LEVEL BIOLOGYQUESTION PAPER 2 JUNE 2023 
SALTERS NUFFIELD . 
*P71923A0128* 
Turn over 
P71923A ©2023 Pearson Education Ltd. 
N:1/1/1/1/ 
 
Please check the examination details below before entering your candidate information 
Candidate surname Other names 
Centre Number Candidate Number 
Pearson Edexcel Level 3 GCE 
Thursday 25 May 2023 
Morning (Time: 1 hour 30 minutes) 8BN0/02 Paper 
reference 
Total Marks 
Biology A (Salters Nuffield) 
Advanced Subsidiary 
PAPER 2:Developme...
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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 1 2022 MARK SCHEME
- Exam (elaborations) • 17 pages • 2022
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AQA AS LEVEL BIOLOGY PAPER 1 2022 MARK SCHEME
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