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Summary
OCR A-Level Biology A – Chapter 2 Summary: Foundations in Biology 2025/2026 Latest Update Rated A+
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---5August 20252025/2026
- Complete revision notes covering cell structure, enzymes, microscopy, and biological molecules – clear, exam-focused and 2025-spec aligned.
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$18.99 More Info
SharpTutor
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Exam (elaborations)
OCR A-level Biology PracticalS Test Exam Questions And Answers Verified 100% Correct
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---13July 20252024/2025A+
- OCR A-level Biology PracticalS Test Exam Questions And 
Answers Verified 100% Correct 
 
 
*Practical 8: The effect of temperature on membrane permeability (beetroot experiment) - ANSWER 1. cut equal size pieces of beetroot and rinse them to remove any pigment 
released during cutting. 
2. Place the five pieces in five different test tubes, each with the same volume of water 
3. Place each test tube in a water bath set at different temperatures for the same length 
of time 
4 remove...
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$14.99 More Info
TopGradeGuru
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Exam (elaborations)
OCR a level biology Exam Questions And Answers Verified 100% Correct
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---22July 20252024/2025A+
- OCR a level biology Exam Questions And 
Answers Verified 100% Correct 
 
Cyclic AMP (cAMP) - ANSWER Secondary messenger released inside cells to activate 
a response 
 
Cyclic changes - ANSWER Rhythmic changes, such as tides, day length, and 
fluctuations in predator and prey species 
 
Dark band - ANSWER In stritated muscle also known as the A band which shows the 
length of the mysoin filaments; there is some overlap with the actin filaments within this 
band. 
 ...
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$14.99 More Info
TopGradeGuru
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Exam (elaborations)
A Level Biology OCR Exam – Test Questions and Correct Answers
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---21June 20252024/2025A+
- This resource includes exam-style questions with fully verified answers based on the OCR A Level Biology specification. Covers key topics such as cells, genetics, biodiversity, and biochemistry. Ideal for revision, practice, and exam preparation. Instantly downloadable and aligned with current OCR exam standards. Perfect for students aiming for top grades.
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$11.99 More Info
Goldscripts
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Exam (elaborations)
Ocr A level biology
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---39May 20252024/2025A+
- Deze samenvatting behandelt de kernbegrippen uit hoofdstuk 3 over het fenotype voor het vak biologie in 3VWO. Het document bevat heldere uitleg over erfelijkheid, genotypen, fenotypen, chromosomen en DNA-structuren, met ondersteunende voorbeelden. Ook worden belangrijke termen als geslachtschromosomen, genen en de invloed van milieufactoren uitgelegd. Deze samenvatting is ideaal voor toetsvoorbereiding of als naslagwerk bij het maken van opdrachten.
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$18.49 More Info
Proffscholar2
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Exam (elaborations)
OCR a level biology exam questions & answers
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--32March 20252024/2025A+Available in bundle
- OCR a level biology exam questions & answers 
 
 
Abiotic components - ANSWERSComponents of an ecosystem that are non living 
 
Abiotic factors - ANSWERSNon living components of an ecosystem that effect other living organisms 
 
Acetycholine - ANSWERSChemical that acts as a transmitter that diffuses across synaptic cleft 
 
Acetycholinesterase - ANSWERSEnzyme in synaptic cleft that breaks down acetycholine. After it has triggered an action potential in the post synaptic neurone, acetycholine mus...
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$9.99 More Info
Bensuda
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Exam (elaborations)
OCR A-LEVEL Biology VERIFIED QUESTONS AND CORRECT ANSWERS .100% GUARANTEED PASS 100%GRADED A+ .LATEST UPDATED
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---35February 20252024/2025A+
- OCR A-LEVEL Biology VERIFIED 
QUESTONS AND CORRECT 
ANSWERS .100% GUARANTEED PASS 
100%GRADED A+ .LATEST UPDATED
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$10.49 More Info
intellvision
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Exam (elaborations)
OCR a level biology exam with correct answers 2025
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--21January 20252024/2025A+Available in bundle
- Abiotic components correct answers Components of an ecosystem that are non living 
 
Abiotic factors correct answers Non living components of an ecosystem that effect other living organisms 
 
Acetycholine correct answers Chemical that acts as a transmitter that diffuses across synaptic cleft 
 
Acetycholinesterase correct answers Enzyme in synaptic cleft that breaks down acetycholine. After it has triggered an action potential in the post synaptic neurone, acetycholine must be broken down o...
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$18.99 More Info
HopeJewels