Biology paper 1 2021 Study guides, Class notes & Summaries
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![AQA A LEVEL BIOLOGY PAPER 1 2021.](/docpics/62849e24c8448_1738324.jpg)
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AQA A LEVEL BIOLOGY PAPER 1 2021.
- Exam (elaborations) • 41 pages • 2022
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AQA A LEVEL BIOLOGY PAPER 1 
2021. Describe the induced-fit model based on enzyme action and how an enzyme acts as a 
catalyst. 
[3 marks] 
. 2 Scientists investigated the action based on the enzyme ATP synthase. They made reaction 
mixtures each containing: 
• ATP synthase 
• buffer (to control pH) 
• substrates. 
One based on the substrates required within these reaction mixtures is inorganic phosphate (Pi). 
Tick ( ) one box to show which other substrate the scientists must add to the ...
![AQA A-Level Biology Paper 1 2021 Questions paper](/docpics/622da537d5f28_1617453.jpg)
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AQA A-Level Biology Paper 1 2021 Questions paper
- Exam (elaborations) • 41 pages • 2022
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AQA A LEVEL BIOLOGY Paper 1 Questions Paper. Well edited paper
![AQA A-Level Biology: Paper 1 2021 AQA A LEVEL BIOLOGY Paper 3 MS 2021 | Best for 2024 Actual Exam preparation](/docpics/5558737/6661ab4feca49_5558737_121_171.jpeg)
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AQA A-Level Biology: Paper 1 2021 AQA A LEVEL BIOLOGY Paper 3 MS 2021 | Best for 2024 Actual Exam preparation
- Exam (elaborations) • 10 pages • 2024
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AQA A-Level Biology: Paper 1 2021 AQA 
A LEVEL BIOLOGY Paper 3 MS 2021 | 
Best for 2024 Actual Exam preparation
![AQA A LEVEL BIOLOGY PAPER 1 7402-1 2021 MARK SCHEME MS](/docpics/644ed00df087d_2676370.jpg)
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AQA A LEVEL BIOLOGY PAPER 1 7402-1 2021 MARK SCHEME MS
- Exam (elaborations) • 24 pages • 2023
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AQA A LEVEL BIOLOGY PAPER 1 
7402-1 2021 MARK SCHEME MSA-level 
BIOLOGY 
7402/1 
Paper 1 
Mark scheme 
June 2021 
Version: 1.0 Final 
A+ 
*216a7402/1/MS* 
A+ 
MARK SCHEME – A-LEVEL BIOLOGY – 7402/1 – JUNE 2021 
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...
![AQA GCSE BIOLOGY Higher Tier Paper 1H 2021](/docpics/6223dd65646d3_1604733.jpg)
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AQA GCSE BIOLOGY Higher Tier Paper 1H 2021
- Exam (elaborations) • 36 pages • 2022
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AQA GCSE BIOLOGY Higher Tier Paper 1H 2021 
What is the function of part B? 
[1 mark] 
0 1 . 4 The student tried to look at the cells using the microscope. 
Suggest one reason why the student could not see any cells when looking through 
part A. 
[1 ma
![AQA A LEVEL BIOLOGY PAPER 1 2021](/docpics/64275ba5b10b0_2540163.jpg)
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AQA A LEVEL BIOLOGY PAPER 1 2021
- Exam (elaborations) • 40 pages • 2023
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AQA A LEVEL BIOLOGY PAPER 
1 2021 
Please write clearly in block capitals. 
Centre number Candidate number 
Surname 
Forename(s) 
Candidate signature 
I declare this is my own work. 
A-level 
BIOLOGY 
Paper 1 
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 within the boxes at the top based on this page. 
• Answer all questions. 
• You mu...
![AQA A LEVEL BIOLOGY PAPER 1 2021](/docpics/63d56629f37e3_2311023.jpg)
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AQA A LEVEL BIOLOGY PAPER 1 2021
- Exam (elaborations) • 40 pages • 2023
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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 within the boxes at the top based on this page. 
• Answer all questions. 
• You must answer the questions within the spaces provided. Do not write 
outside the box around each page or on blank pages. 
• If you need extra space for your answer(s), use the lined pages at the end based on 
this book. Write the ques...
![AQA AS BIOLOGY 7401/1 Paper 1 Mark scheme June 2021 Version: 1.0 Final](/docpics/62153f286f679_1582505.jpg)
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AQA AS BIOLOGY 7401/1 Paper 1 Mark scheme June 2021 Version: 1.0 Final
- Exam (elaborations) • 18 pages • 2022
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AQA AS 
BIOLOGY 
7401/1 
Paper 1 
Mark scheme 
June 2021 
Version: 1.0 Final
![AQA A-Level Biology: Paper 1 2021 AQA A LEVEL BIOLOGY Paper 3 MS 2021 | Best for 2024 Actual Exam preparation](/docpics/5557477/66618a0e5c4ff_5557477_121_171.jpeg)
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AQA A-Level Biology: Paper 1 2021 AQA A LEVEL BIOLOGY Paper 3 MS 2021 | Best for 2024 Actual Exam preparation
- Exam (elaborations) • 10 pages • 2024
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AQA A-Level Biology: Paper 1 2021 AQA 
A LEVEL BIOLOGY Paper 3 MS 2021 | 
Best for 2024 Actual Exam preparation
![AQA AS BIOLOGY Paper 1 QP 2021](/docpics/621caaf779fc5_1593262.jpg)
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AQA AS BIOLOGY Paper 1 QP 2021
- Exam (elaborations) • 28 pages • 2022
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AQA AS BIOLOGY Paper 1 QP 2021
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