As biology Study guides, Class notes & Summaries
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Edexcel AS Biology Student Unit Guide: Unit 1 Lifestyle, Transport, Genes and Health
Mary Jones
1 documents
![Edexcel A Level Science: As Biology Students' Book With Activebook Cd](https://s.s-bol.com/imgbase0/imagebase3/large/FC/1/3/2/8/1001004005828231.jpg)
Edexcel A Level Science: As Biology Students' Book With Activebook Cd
Ann Fullick, Patrick Fullick
1 documents
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![2023 AQA AS BIOLOGY 7401/2 Paper 2 Question Paper & Mark scheme (Merged) June 2023 [VERIFIED]](/docpics/4730974/65f0e6aa527cf_4730974_121_171.jpeg)
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2023 AQA AS BIOLOGY 7401/2 Paper 2 Question Paper & Mark scheme (Merged) June 2023 [VERIFIED]
- Exam (elaborations) • 49 pages • 2024
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2023 AQA AS BIOLOGY 7401/2 Paper 2 
Question Paper & Mark scheme (Merged) June 
2023 [VERIFIED] 
Candidate number 
I declare this is my own work. 
AS 
BIOLOGY 
Paper 2 
Thursday 25 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 ...
![2023 AQA A-level BIOLOGY 7402/1 Paper 1 Question Paper & Mark scheme (Merged) June 2023 [VERIFIED]](/docpics/4730969/65f0e66e6475b_4730969_121_171.jpeg)
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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 Popular
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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...
![2023 AQA AS BIOLOGY 7401/1 Paper 1 Question Paper & Mark scheme (Merged) June 2023 [VERIFIED]](/docpics/4731007/65f0e7ddbead3_4731007_121_171.jpeg)
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2023 AQA AS BIOLOGY 7401/1 Paper 1 Question Paper & Mark scheme (Merged) June 2023 [VERIFIED]
- Exam (elaborations) • 46 pages • 2024
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- $7.99
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2023 AQA AS BIOLOGY 7401/1 Paper 1 Question 
Paper & Mark scheme (Merged) June 2023 
[VERIFIED] 
Candidate number 
I declare this is my own work. 
AS 
BIOLOGY 
Paper 1 
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...
![AQA 2023 AS BIOLOGY 7401/1 Paper 1 Question Paper & Mark scheme (Merged) June 2023 [VERIFIED]](/docpics/4366895/65b810aa97508_4366895_121_171.jpeg)
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AQA 2023 AS BIOLOGY 7401/1 Paper 1 Question Paper & Mark scheme (Merged) June 2023 [VERIFIED]
- Exam (elaborations) • 47 pages • 2024
- Available in package deal
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- $7.99
- 44x sold
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AQA 2023 AS BIOLOGY 7401/1 Paper 1 Question Paper & Mark scheme (Merged) June 2023 [VERIFIED]
![AQA 2023 AS BIOLOGY 7401/2 Paper 2 Question Paper & Mark scheme (Merged) June 2023 [VERIFIED]](/docpics/4366924/65b81160be134_4366924_121_171.jpeg)
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AQA 2023 AS BIOLOGY 7401/2 Paper 2 Question Paper & Mark scheme (Merged) June 2023 [VERIFIED]
- Exam (elaborations) • 50 pages • 2024
- Available in package deal
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- $7.99
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AQA 2023 AS BIOLOGY 7401/2 Paper 2 Question Paper & Mark scheme (Merged) June 2023 [VERIFIED]
![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](/docpics/4377371/65b983389ccf4_4377371_121_171.jpeg)
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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
- Available in package deal
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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...
AQA AS BIOLOGY PAPER 1 JUNE 2023 MARK SCHEME (7401/1)
AQA AS BIOLOGY
|2023 Combined Question papers & Marking Scheme|
![2024 AQA AS BIOLOGY 7401/1 Paper 1 Question Paper & Mark scheme (Merged) June 2023 VERIFIED / Biology AQA AS level 7401/1 Paper 1](/docpics/5389721/664cbfa037cce_5389721_121_171.jpeg)
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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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Available in package deal
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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...
![AQA AS BIOLOGY 7401/2 PAPER 2 QUESTION PAPER AND MARK SCHEME JUNE 2022 (MERGED)](/docpics/2970761/649a9a1995da7_2970761_121_171.jpeg)
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AQA AS BIOLOGY 7401/2 PAPER 2 QUESTION PAPER AND MARK SCHEME JUNE 2022 (MERGED)
- Exam (elaborations) • 53 pages • 2023
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- $15.49
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AQA AS BIOLOGY 7401/2 PAPER 2 QUESTION PAPER AND MARK SCHEME JUNE 2022 (MERGED). AQA AS BIOLOGY 7401/2 PAPER 2 QUESTION PAPER AND MARK SCHEME JUNE 2022 (MERGED)
![AQA AS BIOLOGY Paper 1 MARK SCHEME JUNE 2023](/docpics/3452409/6507125fd89f7_3452409_121_171.jpeg)
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AQA AS BIOLOGY Paper 1 MARK SCHEME JUNE 2023
- Exam (elaborations) • 21 pages • 2023
- Available in package deal
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- $17.99
- 3x sold
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This is the final mark scheme
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