Aqa as biolo - Study guides, Class notes & Summaries
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AQA AS BIOLOGY Paper 1 Mark scheme June 2023-7401/1
- Exam (elaborations) • 18 pages • 2023
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AS 
BIOLOGY 
7401/1 
Paper 1 
Mark scheme 
June 2023
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AQA AS BIOLOGY PAPER 2 QUESTION PAPER AND FINALMARKSHEME JUNE 2022
- Exam (elaborations) • 53 pages • 2023
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Answer all questions in the spaces provided. box 
0 1 . 1 What is a gene? 
[1 mark] 
0 1 . 2 Describe how the production of messenger RNA (mRNA) in a eukaryote cell is 
different from the production of mRNA in a prokaryote cell. 
[2 marks] 
0 1 . 3 Scientists produced a short, single-stranded, artificial nucleic acid, called PNA. The 
PNA binds to a small section of DNA. 
The scientists introduced PNA into cells and discovered that these cells produced 
less mRNA than cells that did not contain ...
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AQA AS BIOLOGY Paper 2 Mark scheme June 2023- 7401/2
- Exam (elaborations) • 17 pages • 2023
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AS 
BIOLOGY 
7401/2 
Paper 2 
Mark scheme 
June 2023
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aqa AS BIOLOGY Paper 1 (7401/1) May 2023 Question Paper.
- Exam (elaborations) • 34 pages • 2023
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aqa AS BIOLOGY Paper 1 (7401/1) May 2023 Question Paper. 
1. Describe the primary structure of all proteins. 2. This question is about the genetic code. Define universal, non-overlapping and degenerate. 3. Describe how the appearance of the area containing DNA in a TEM image of a eukaryotic cell would differ from that shown in Figure 1. 4. Describe one difference between the structure of DNA in a prokaryotic cell and in a eukaryotic cell. 5. Streptococcus bacteria can infect the lungs when air i...
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AQA AS BIOLOGY Paper 2 JUNE 2023 QUESTION PAPER
- Exam (elaborations) • 41 pages • 2023
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This is the official question paper
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AQA AS BIOLOGY 7401/2 Paper 2 Question Paper + Mark scheme June 2022
- Exam (elaborations) • 55 pages • 2023
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AQA AS BIOLOGY 7401/2 Paper 2 Question Paper + Mark scheme June 2022 
 
AQA AS BIOLOGY 7401/2 Paper 2 Question Paper + Mark scheme June 2022
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AQA AS BIOLOGY 7401/1 Paper 1 Question Paper + Mark scheme [MERGED] June 2022
- Exam (elaborations) • 46 pages • 2023
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AQA 
AS 
BIOLOGY 
7401/1 
Paper 1 
Question Paper + Mark scheme [MERGED] 
June 2022
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AQA AS BIOLOGY paper 1 specimen 2023 (7401/1)
- Exam (elaborations) • 3 pages • 2024
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AQA AS BIOLOGY paper 1 specimen 2023 
(7401/1)
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AQA AS BIOLOGY Paper 1 and 2|Question paper and Mark Scheme|2023
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AQA AS BIOLOGY Paper 1 and 2|Question paper and Mark Scheme|2023
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AQA AS BIOLOGY 7401/2 Paper 2 Version: 1.0 Final *JUN237401201* IB/M/Jun23/E9 7401/2// QUESTION PAPER & MARKING SCHEME/ [MERGED] Marl( scheme June 2023
- Exam (elaborations) • 50 pages • 2024
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AQA 
AS 
BIOLOGY 
7401/2 
Paper 2 
Version: 1.0 Final 
*JUN* 
IB/M/Jun23/E9 7401/2 
For Examiner’s Use 
Question Mark 
1 
2 
3 
4 
5 
6 
7 
8 
9 
10 
TOTAL 
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 the question...
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