Ib biology Study guides, Class notes & Summaries
Looking for the best study guides, study notes and summaries about Ib biology? On this page you'll find 1332 study documents about Ib biology.
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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
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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...
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AQA A-level BIOLOGY 7402/3 Paper 3 Question Paper + Mark scheme [MERGED] June 2022 *jun227402301* IB/M/Jun22/E10 7402/3 For Examiner’s Use Question Mark 1 2
- Exam (elaborations) • 58 pages • 2023
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AQA 
A-level 
BIOLOGY 
7402/3 
Paper 3 
Question Paper + Mark scheme [MERGED] 
June 2022 
*jun* 
IB/M/Jun22/E10 7402/3 
For Examiner’s Use 
Question Mark 
1 
2 
3 
4 
5 
6 
TOTAL 
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 in Section A. 
• Answer one question from Secti...
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IB Biology Exam 2024 with 100% correct answers
- Exam (elaborations) • 38 pages • 2023
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How do you calculate the magnification of a drawing/image? - correct answer Magnification=Image size(with ruler) / Actual size(according to scale bar) 
 
How do you calculate the actual size of a magnified specimen? - correct answer Actual size=Image size(with ruler) / magnification 
 
By which process do potassium ions move through potassium channels in axons? - correct answer Facilitated diffusion 
-at rest, the Na-K+ pump expels Na+ ions out of cell, while K+ are put within 
-when the n...
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IB Biology HL exam 2024 with 100% correct answers
- Exam (elaborations) • 40 pages • 2023
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What are the characteristics common to all forms of life? - correct answer reproduction, carbon, responds to surroundings, Growth and Development, cellular organization, and energy 
 
What are the levels of biological organization from simple to most complex? - correct answer Molecules, cell, tissue, organ, organism, population, community, ecosystem, biosphere 
 
What are the 4 most common types of biological molecules? - correct answer Proteins, nucleic acids, carbohydrates, and lipids 
 ...
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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
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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...
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AQA GCSE BIOLOGY 8461/1H Paper 1 Higher Tier Question Paper + Mark scheme [MERGED] June 2022 *JUN2284611H01* IB/M/Jun22/E20 8461/1H For Examiner’s Use Question Mark 1
- Exam (elaborations) • 72 pages • 2023
- Available in package deal
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AQA 
GCSE 
BIOLOGY 
8461/1H 
Paper 1 Higher Tier 
Question Paper + Mark scheme [MERGED] 
June 2022 
 
*JUNH01* 
IB/M/Jun22/E20 8461/1H 
For Examiner’s Use 
Question Mark 
1 
2 
3 
4 
5 
6 
7 
TOTAL 
Time allowed: 1 hour 45 minutes 
Materials 
For this paper you must have: 
• a ruler 
• a scientific calculator. 
Instructions 
• Use black ink or black ball-point pen. 
• Pencil should only be used for drawing. 
• Fill in the boxes at the top of this page. 
• Answer all questions in th...
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AQA A-level BIOLOGY 7402/2 Paper 2 Question Paper + Mark scheme [MERGED] June 2022 *jun227402201* IB/M/Jun22/E12 7402/2 For Examiner’s Use Question Mark 1 2
- Exam (elaborations) • 55 pages • 2023
- Available in package deal
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- $7.99
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AQA 
A-level 
BIOLOGY 
7402/2 
Paper 2 
Question Paper + Mark scheme [MERGED] 
June 2022 
*jun* 
IB/M/Jun22/E12 7402/2 
For Examiner’s Use 
Question Mark 
1 
2 
3 
4 
5 
6 
7 
8 
9 
10 
TOTAL 
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 answer the questions i...
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AQA A LEVEL BIOLOGY PAPER 1 2021.
- Exam (elaborations) • 41 pages • 2022
- Available in package deal
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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 ...
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AQA AS BIOLOGY 7401/2 Paper 2 Version: 1.0 Final *JUN237401201* IB/M/Jun23/E9 7401/2QUESTION 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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AQA AQA GCSE BIOLOGY 8461/2H Paper 2 Higher Tier *236G84612H/MS* Version: 1.0 Final *jun2384612H01* IB/M/Jun23/E21 8461/2H QUESTION PAPER & MARKING SCHEME/ [MERGED] Marl( scheme June 2023
- Exam (elaborations) • 69 pages • 2024
- Available in package deal
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- $9.99
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AQA 
GCSE 
BIOLOGY 
8461/2H 
Paper 2 Higher Tier 
*236G84612H/MS* 
Version: 1.0 Final 
*jun2384612H01* 
IB/M/Jun23/E21 8461/2H 
For Examiner’s Use 
Question Mark 
1 
2 
3 
4 
5 
6 
7 
8 
9 
TOTAL 
Friday 9 June 2023 Afternoon Time allowed: 1 hour 45 minutes 
Materials 
For this paper you must have: 
• a ruler 
• a scientific calculator. 
Instructions 
• Use black ink or black ball-point pen. 
• Pencil should only be used for drawing. 
• Fill in the boxes at the top of this page. 
...
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