Ib cell biology Study guides, Class notes & Summaries
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IB Biology Cell Structure Latest Version Graded A+
- Exam (elaborations) • 3 pages • 2024
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IB Biology Cell Structure Latest Version 
 
Graded A+ 
 
Nucleolus Structure: Darker spot within nucleus 
Function: Ribosomal RNA synthesis 
 
Nucleus Structure: Large spot within cell 
Function: Genetic material storage, controls cell processes 
 
Ribosomes Structure: Small spheres 
Function: Building proteins 
 
Vesicle Structure: Membrane bound container 
 
Function: Move material around 
 
Rough ER Structure: Folded, attached to nucleus, ribosomes attached 
Function: Proteins can be made lik...
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AQA GCSE COMBINED SCIENCE: TRILOGY 8464/B/2H Biology Paper 2H Version: 1.0 Final *JUN238464B2H01* IB/M/Jun23/E7 8464/B/2H QUESTION PAPER & MARKING SCHEME/ [MERGED]
- Exam (elaborations) • 53 pages • 2024
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GCSE 
COMBINED SCIENCE: TRILOGY 
8464/B/2H 
Biology Paper 2H 
Version: 1.0 Final 
*JUN238464B2H01* 
IB/M/Jun23/E7 8464/B/2H 
For Examiner’s Use 
Question Mark 
1 
2 
3 
4 
5 
6 
TOTAL 
Friday 9 June 2023 Afternoon Time allowed: 1 hour 15 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 ...
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IB Biology HL Exam Review Latest Version Already Graded A
- Exam (elaborations) • 16 pages • 2024
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IB Biology HL Exam Review Latest 
Version Already Graded A 
 
Outline the cell theory. Living organisms are composed of cells. 
Cells are the smallest unit of life. 
Cells come from pre-existing cells. 
 
Discuss the evidence for the cell theory. The nature of scientific theories could be introduced 
here: the accumulation of evidence that allows a hypothesis to become a theory; whether a theory 
should be abandoned when there is evidence that it does not offer a full explanation; and what 
evid...
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2023 AQA GCSE BIOLOGY 8461/1H Paper 1 Higher Tier Question Paper & Mark scheme (Merged) June 2023 [VERIFIED]
- Exam (elaborations) • 67 pages • 2024
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2023 AQA GCSE BIOLOGY 8461/1H Paper 1 Higher Tier Question Paper & Mark 
scheme (Merged) June 2023 [VERIFIED] 
GCSE 
BIOLOGY 
Higher Tier Paper 1H 
Tuesday 16 May 2023 Morning 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 the spaces provided. 
• I...
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IB Biology - 1.1 Introduction to Cells Questions and Answers Graded A+
- Exam (elaborations) • 16 pages • 2024
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IB Biology - 1.1 Introduction to Cells 
Questions and Answers Graded A+ 
 
Main components of cell theory 1. All living things are made up of one or more cells 
2. All cells come from pre-existing cells 
3. Cells are the fundamental building blocks of all living organisms 
 
Smaller organisms are what type of cellular? Unicellular 
 
Larger organisms are what type of cellular? Multicellular 
 
Common features of cells? 1. Every cell is surrounded by a membrane, which separates the 
cell contents...
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IB Biology HL Questions and Answers Already Passed
- Exam (elaborations) • 70 pages • 2024
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IB Biology HL Questions and Answers 
 
Already Passed 
 
What are the characteristics common to all forms of life? reproduction, carbon, responds to 
surroundings, Growth and Development, cellular organization, and energy 
 
What are the levels of biological organization from simple to most complex? Molecules, cell, 
tissue, organ, organism, population, community, ecosystem, biosphere 
 
What are the 4 most common types of biological molecules? Proteins, nucleic acids, 
carbohydrates, and lipids...
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2023 AQA GCSE BIOLOGY 8461/1F Paper 1 Foundation Tier Question Paper & Mark scheme (Merged) June 2023 [VERIFIED] GCSE BIOLOGY
- Exam (elaborations) • 67 pages • 2024
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2023 AQA GCSE BIOLOGY 8461/1F Paper 1 Foundation Tier Question Paper & 
Mark scheme (Merged) June 2023 [VERIFIED] 
GCSE 
BIOLOGY 
Foundation Tier Paper 1F 
F 
Tuesday 16 May 2023 Morning 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 the spaces prov...
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IB Biology: Chapter 1.6 Latest Update Graded A
- Exam (elaborations) • 8 pages • 2024
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IB Biology: Chapter 1.6 Latest Update 
 
Graded A 
 
cell cycle all stages in the life cycle of a cell 
 
interphase composed of G1, S, and G2; = the growth of the cell. 
 
G1 - DNA transcription 
- protein synthesis (centrioles) 
- cell Respiration (produces energy) 
- growth of cell volume 
- organelles double (mitochondria & chloroplast) 
-increase in energy stored 
 
G0 the stage where cells are unlikely to divide (ex: neurons) 
 
S - synthesis of genetic material 
- DNA replication 
 
- dup...
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2023 AQA AS BIOLOGY 7401/1 Paper 1 Question Paper & Mark scheme (Merged) June 2023 [VERIFIED]
- Exam (elaborations) • 65 pages • 2024
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2023 AQA AS BIOLOGY 7401/1 Paper 1 Question 
Paper & Mark scheme (Merged) June 2023 
[VERIFIED] 
Please write clearly in block capitals. 
Centre number 
Surname 
Forename(s) 
Candidate signature 
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. ...
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Summary Study Notes IB HL Biology
- Class notes • 44 pages • 2024
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Concise study notes from 2022 IB HL Biology. Attained a Level 7 in exam. 
 
CORE: 
Topic 1: Cell Biology 
Topic 2: Molecular Biology 
Topic 3: Genetics 
Topic 4: Ecology 
Topic 5: Evolution and Biodiversity 
Topic 6: Human Physiology 
 
ADDITIONAL HIGHER LEVEL: 
Topic 7: Nucleic Acids 
Topic 8: Metabolism, Cell Respiration and Photosynthesis 
Topic 9: Plant Biology 
Topic 10: Genetics and Evolution 
Topic 11: Animal Physiology
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