Unit 2
OCR
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![2.1.4 Enzymes - OCR Biology A level notes (2015-present syllabus)- A* notes](/docpics/62595e7f778a9_1676757.jpg)
![2.1.4 Enzymes - OCR Biology A level notes (2015-present syllabus)- A* notes](https://s.s-bol.com/imgbase0/imagebase3/large/FC/8/4/0/6/9200000032846048.jpg)
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2.1.4 Enzymes - OCR Biology A level notes (2015-present syllabus)- A* notes
- Summary • 12 pages • 2022
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Detailed A* level notes covering the whole topic enzymes (specification point 2.1.4). This is for the OCR A level Biology A course. These notes cover every single specification point within this topic and are concise but contain everything you need to know. Topics included: 
- enzyme action 
- factors affecting enzymes 
- enzyme inhibitors 
- cofactors, coenzymes and prosthetic groups
![2.1.3 Nucleic Acids (DNA replication, transcription, translation, ATP) - OCR Biology A level notes (2015-present syllabus)- A* notes](/docpics/62595612976ab_1676702.jpg)
![2.1.3 Nucleic Acids (DNA replication, transcription, translation, ATP) - OCR Biology A level notes (2015-present syllabus)- A* notes](https://s.s-bol.com/imgbase0/imagebase3/large/FC/8/4/0/6/9200000032846048.jpg)
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2.1.3 Nucleic Acids (DNA replication, transcription, translation, ATP) - OCR Biology A level notes (2015-present syllabus)- A* notes
- Summary • 10 pages • 2022
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Detailed handwritten A* level notes covering the whole topic of nucleic acids (specification point 2.1.3). This is for the OCR A level Biology A course. These notes cover every single specification point within this topic and are concise but contain everything you need to know. I achieved an A* with the notes and am now a medical student. They contain these topics: 
- DNA and RNA nucleotides 
- DNA replication 
- The nature of the genetic code 
- Transcription 
- Translation 
- ATP
![2.1.5 Plasma Membranes (membranes, diffusion, osmosis, active transport)- OCR Biology A level notes (2015-present syllabus)- A* notes](/docpics/62595f70b2bd2_1676765.jpg)
![2.1.5 Plasma Membranes (membranes, diffusion, osmosis, active transport)- OCR Biology A level notes (2015-present syllabus)- A* notes](https://s.s-bol.com/imgbase0/imagebase3/large/FC/8/4/0/6/9200000032846048.jpg)
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2.1.5 Plasma Membranes (membranes, diffusion, osmosis, active transport)- OCR Biology A level notes (2015-present syllabus)- A* notes
- Summary • 10 pages • 2022
- Available in package deal
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- $3.90
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Detailed A* level notes covering the whole topic of plasma membranes (specification point 2.1.5). This is for the OCR A level Biology A course. These notes cover every single specification point within this topic and are concise but contain everything you need to know. These topics are covered: 
- plasma membranes 
- fluid mosaic model 
- diffusion 
- osmosis 
- active transport
A collection of A grade model essays from the topic "Y203 Crusades and Crusader States" based on past paper questions
!["How important was religious zeal in the motives of those who went on the First Crusade?" Model Essay](/docpics/62b5ae169d753_1812944.jpg)
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"How important was religious zeal in the motives of those who went on the First Crusade?" Model Essay
- Essay • 2 pages • 2022
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- $7.81
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An A grade, 20 mark model essay on motivation for the First Crusade based on past paper questions
!["How far was Muslim disunity the main reason for the success of the 1st Crusade?" Model essay](/docpics/62b5abb830857_1812918.jpg)
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"How far was Muslim disunity the main reason for the success of the 1st Crusade?" Model essay
- Essay • 2 pages • 2022
- Available in package deal
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- $7.81
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An A grade, 20 mark model essay on the success of the First Crusade based off a past paper question
!["Which of the following was of greater importance in the survival of the Crusader States in the 12th century? Frankish unity or Crusader castles" Model essay](/docpics/62b5aa8e81a36_1812908.jpg)
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"Which of the following was of greater importance in the survival of the Crusader States in the 12th century? Frankish unity or Crusader castles" Model essay
- Essay • 1 pages • 2022
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- $6.51
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An A grade, 10 mark model essay on the survival of the Crusader States based on a past paper question
![Global information - IT cambridge national/OCR](/docpics/3228884/64d567cbe6477_3228884_121_171.jpeg)
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Global information - IT cambridge national/OCR
- Summary • 22 pages • 2023
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My revision material would contain the following topics : holders of information , types of information storage media with advantages and drawbacks, availability of broadband, The types of internet access, key terms(definitions of words), sources of information, information styles and key terms (to understand the styles, classification and management of global information),digital footprint of what and how it would be used (pros and cons aswell being discussed),Green IT-reducing carbon, understa...
![“How far do you agree that Muslim disunity was the major reason why the Crusader States were able to survive in the period 1100-1143?” Model Essay](/docpics/62b5a87450360_1812886.jpg)
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“How far do you agree that Muslim disunity was the major reason why the Crusader States were able to survive in the period 1100-1143?” Model Essay
- Essay • 2 pages • 2022
- Available in package deal
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- $7.81
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A model, A grade 20 mark essay on why the Crusader States were able to survive, including teacher feedback
!["How far were divisions amongst the crusaders the main reason for the failure of the Second Crusade?" Model essay](/docpics/62b5aec42d12b_1812950.jpg)
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"How far were divisions amongst the crusaders the main reason for the failure of the Second Crusade?" Model essay
- Essay • 2 pages • 2022
- Available in package deal
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- $7.81
- + learn more
An A grade, 20 mark model essay on the failure of the Second Crusade based on past paper questions
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