74011 Study guides, Class notes & Summaries
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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](/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 7401/1 Paper 1 Version: 1.0 Final *JUN237401101* IB/M/Jun23/E8 7401/1/ QUESTION PAPER & MARKING SCHEME/ [MERGED] Marl( scheme June 2023](/docpics/4427100/65c0f9025629c_4427100_121_171.jpeg)
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AQA AS BIOLOGY 7401/1 Paper 1 Version: 1.0 Final *JUN237401101* IB/M/Jun23/E8 7401/1/ QUESTION PAPER & MARKING SCHEME/ [MERGED] Marl( scheme June 2023
- Exam (elaborations) • 47 pages • 2024
-
- $9.99
- 2x sold
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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...
![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 Popular
-
- $7.99
- 39x sold
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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)
-
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
-
- $7.99
- 49x sold
- + learn more
AQA 2023 AS BIOLOGY 7401/1 Paper 1 Question Paper & Mark scheme (Merged) June 2023 [VERIFIED]
![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
- Available in package deal
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- $16.99
- 5x sold
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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 PAPER 1 JUNE 2023 MARK SCHEME (7401/1)
![AQA AS BIOLOGY 7401/1 Paper 1 Version: 1.0 Final *JUN237401101* IB/M/Jun23/E8 7401/1/ QUESTION PAPER & MARKING SCHEME/ [MERGED] Marl( scheme June 2023](/docpics/4427099/65c0f8ff02b81_4427099_121_171.jpeg)
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AQA AS BIOLOGY 7401/1 Paper 1 Version: 1.0 Final *JUN237401101* IB/M/Jun23/E8 7401/1/ QUESTION PAPER & MARKING SCHEME/ [MERGED] Marl( scheme June 2023
- Exam (elaborations) • 47 pages • 2024
-
- $9.99
- + learn more
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...
2023 AQA AS BIOLOGY PAPER 1 QUESTION PAPER AND MARK SCHEME 74011 BUNDLE
![BIOLOGY AQA AS 74011 PAPER 1 [WELL VERIFIED]](/docpics/5579047/66641075c1a8f_5579047_121_171.jpeg)
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BIOLOGY AQA AS 74011 PAPER 1 [WELL VERIFIED]
- Exam (elaborations) • 6 pages • 2024
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- $17.99
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BIOLOGY AQA AS 74011 PAPER 1 [WELL VERIFIED] 
• The human cell then makes a complementary strand to the HIV DNA. 
The complementary strand is made in the same way as a new complementary 
strand is made during semi-conservative replication of human DNA. Describe how the complementary strand of HIV DNA is made. - ANS---- there are complementary nucleotides/bases pair 
- DNA polymerase used 
- Nucleotides join together (to form new strand)/phosphodiester bonds form; 
Contrast the structures of ...
![BIOLOGY AQA AS LEVEL 74011 PAPER 1[REAL 100%]](/docpics/5579097/666411e1f2a9c_5579097_121_171.jpeg)
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BIOLOGY AQA AS LEVEL 74011 PAPER 1[REAL 100%]
- Exam (elaborations) • 5 pages • 2024
-
- $17.99
- + learn more
BIOLOGY AQA AS LEVEL 74011 PAPER 1[REAL 100%] 
• The human cell then makes a complementary strand to the HIV DNA. 
The complementary strand is made in the same way as a new complementary 
strand is made during semi-conservative replication of human DNA. Describe how the complementary strand of HIV DNA is made. - ANS---- there are complementary nucleotides/bases pair 
- DNA polymerase used 
- Nucleotides join together (to form new strand)/phosphodiester bonds form; 
Describe the difference be...
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