Ib cell Study guides, Revision notes & Summaries
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IB Biology Topic 1: Cell Biology Questions and Answers Already Passed
- Exam (elaborations) • 20 pages • 2024
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IB Biology Topic 1: Cell Biology 
Questions and Answers Already Passed 
 
What does cell theory state? That cells are the smallest possible unit of life and that living 
organisms are made up of cells. 
 
What are unicellular organisms? Give two examples Unicellular organisms are organisms 
with only one cell, such as Paramecium and Chlamydomonas. In unicellular organisms the one 
cell carries out all of the functions of life. 
 
Why are large organisms multicellular? Because of surface area to ...
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AQA GCSE COMBINED SCIENCE: TRILOGY 8464/B/1F Biology Paper 1F Version: 1.0 Final *JUN238464B1F01* IB/M/Jun23/E5 8464/B/1F/ QUESTION PAPER & MARKING SCHEME/ [MERGED]
- Exam (elaborations) • 68 pages • 2024
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GCSE 
COMBINED SCIENCE: TRILOGY 
8464/B/1F 
Biology Paper 1F 
Version: 1.0 Final 
*JUN238464B1F01* 
IB/M/Jun23/E5 8464/B/1F 
For Examiner’s Use 
Question Mark 
1 
2 
3 
4 
5 
6 
7 
TOTAL 
Tuesday 16 May 2023 Morning 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 al...
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IB Biology semester 1 Latest Version Graded A+
- Exam (elaborations) • 38 pages • 2024
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IB Biology semester 1 Latest Version 
 
Graded A+ 
 
Cells Smallest functional unit of an organism 
 
What are the principles of cell theory? 1. All living things are made of cells 
2. Cells are smallest unit of life 
3. Cells come from pre-existing cells 
 
What are the properties of life? Metabolism 
Reproduction 
Growth 
 
Response 
Excretion 
Homeostasis 
Nutrition 
 
Prokaryotic cells Single cell which has neither a distinct nucleus or organelles can be an 
organism (e.g. bacteria) 
 
Flage...
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IB Biology Unit 1 (Cell Biology - SL) Latest Update Graded A+
- Exam (elaborations) • 9 pages • 2024
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IB Biology Unit 1 (Cell Biology - SL) 
 
Latest Update Graded A+ 
 
Cell Theory all living things are made up of cells, all cells come from previous cells, the cell 
is the basic fundamental unit of life 
 
Functions of life that the cell must carry out -Nutrition: obtaining food, to provide energy 
and the materials needed for growth 
- Metabolism: chemical reactions inside the cell, including cell respiration to release energy 
-Growth: an irreversible increase in size 
-Response: the ability ...
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IB Biology: Chapter 1 Latest 2024 Graded A+
- Exam (elaborations) • 21 pages • 2024
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IB Biology: Chapter 1 Latest 2024 
 
Graded A+ 
 
cell theory - all living things are composed of cells 
- the cell is the smallest unit of life 
- cells only arise from pre-existing cells 
 
challenges to the cell theory - *striated muscle* challenges the idea that a cell has one 
nucleus 
- *giant algae* challenges the idea that cells must be simple in structure & small in size 
- *aseptate fungal hyphae* challenges the idea that a cell is a single unit 
 
functions of life - metabolism 
 
- r...
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IB Biology - Unit 1 - Cell Biology Latest Version 100% Pass
- Exam (elaborations) • 8 pages • 2024
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IB Biology - Unit 1 - Cell Biology Latest 
 
Version 100% Pass 
 
Cell Theory The theory that cells form the fundamental structural and functional units of all 
living organisms 
 
Unicellular A single celled organism 
 
Multicellular Made up of more than one cell. 
 
Prokaryotic A small single cell lacking a nucleus or any other membrane-bound organelles. 
Bacterial cells are an example 
 
Eukaryotic A cell characterized by the presence of a nucleus and other membrane-bound 
organelles. Eukaryo...
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IB Biology Topic 1: Cell Biology Latest Update Graded A
- Exam (elaborations) • 9 pages • 2024
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IB Biology Topic 1: Cell Biology Latest 
 
Update Graded A 
 
Cell theory The theory that cells form the fundamental structural and functional units of all 
living organisms. 
 
Differentiation The expression of a particular gene(s) and not others in order for cell 
specialisation. 
 
Emergent properties The idea that the sum of an organism is more than the parts interacting 
and combining. Living things become more complex as they move (from individual cells to 
organ systems). 
 
Multicellular...
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biology 1406 lab practical 2 ALL SOLUTION 100% CORRECT SPRING FALL-2023/24 LATEST EDITION AID GRADE A+
- Exam (elaborations) • 4 pages • 2023
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- £12.89
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From the cellular respiration and fermentation lab, why are the yeasts breaking down 
the sugars? 
the yeast are breaking down the sugars to produce ATP 
why will yeast metabolize monosaccharaides at a faster rate than disaccharides 
yeast will metabolize monosaccharides faster than dissacharides because 
dissacharides are more complex sugars and must first be broken down into its 
monosaccharide subunits, therefore taking more time 
how many NET molecules of ATP are created during aerobic respi...
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AQAGCSE COMBINED SCIENCE: TRILOGY 8464/B/1F Biology Paper 1F Version: 1.0 Final *JUN238464B1F01* IB/M/Jun23/E5 8464/B/1F QUESTION PAPER & MARKING SCHEME/ [MERGED] Marl( scheme June 2023
- Exam (elaborations) • 68 pages • 2024
- Available in package deal
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- £8.05
- + learn more
GCSE 
COMBINED SCIENCE: TRILOGY 
8464/B/1F 
Biology Paper 1F 
Version: 1.0 Final 
*JUN238464B1F01* 
IB/M/Jun23/E5 8464/B/1F 
For Examiner’s Use 
Question Mark 
1 
2 
3 
4 
5 
6 
7 
TOTAL 
Tuesday 16 May 2023 Morning 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 al...
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2023 AQA GCSE COMBINED SCIENCE: TRILOGY 8464/B/1F Biology Paper 1F Question Paper & Mark scheme (Merged) June 2023 [VERIFIED]
- Exam (elaborations) • 67 pages • 2024
- Available in package deal
-
- £6.44
- + learn more
2023 AQA GCSE COMBINED SCIENCE: TRILOGY 8464/B/1F Biology Paper 
1F Question Paper & Mark scheme (Merged) June 2023 [VERIFIED] 
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. 
• If you need extra space for your answer(s), use the lined pages at the end of 
t...
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