7401 1 as biology - Study guides, Class notes & Summaries
Looking for the best study guides, study notes and summaries about 7401 1 as biology? On this page you'll find 536 study documents about 7401 1 as biology.
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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 ...
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AQA 2024 AS BIOLOGY 7401/1 Paper 1 Question Paper & Mark scheme (Merged) June 2024 [VERIFIED]
- Exam (elaborations) • 53 pages • 2024 Popular
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AQA 2024 AS BIOLOGY 7401/1 Paper 1 Question Paper & Mark scheme (Merged) June 2024 [VERIFIED]
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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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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...
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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 
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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 AS BIOLOGY PAPER 1 JUNE 2023 MARK SCHEME (7401/1)
- Exam (elaborations) • 18 pages • 2023
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AQA AS BIOLOGY PAPER 1 JUNE 2023 MARK SCHEME (7401/1)
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AQA AS LEVEL BIOLOGY PAPER 1 MARK SCHEME JUNE 2023 (7401/1)
- Exam (elaborations) • 18 pages • 2023
- Available in package deal
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- $16.49
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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 AS LEVEL BIOLOGY PAPER 2 2022 MARK SCHEME
- Exam (elaborations) • 26 pages • 2023
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- $8.39
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AS 
BIOLOGY 
7401/2 
Paper 2 
Mark scheme 
2022 
Version: 1.0 Final 
*206A7401/2/MS* 
MARK SCHEME – AS BIOLOGY – 7401/2 – 
Mark schemes are prepared by the Lead Assessment Writer and considered, together with 
the relevant questions, by a panel of subject teachers. This mark scheme includes any 
amendments made at the standardisation events which all associates participate in and is 
the scheme which was used by them in this examination. The standardisation process 
ensures that the mark s...
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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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