Ocr biology a level exam Study guides, Class notes & Summaries
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![OCR A Level Biology Exam| Questions And Verified Answers With Complete Solutions| Graded A| 2024](/docpics/4580882/65d87ce9b60c4_4580882_121_171.jpeg)
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OCR A Level Biology Exam| Questions And Verified Answers With Complete Solutions| Graded A| 2024
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OCR A Level Biology Exam| Questions And Verified Answers With Complete Solutions| Graded A| 2024 
 
Abiotic components Correct Answer Components of an ecosystem that are non living 
 
Abiotic factors Correct Answer Non living components of an ecosystem that effect other living organisms 
 
Acetycholine Correct Answer Chemical that acts as a transmitter that diffuses across synaptic cleft 
 
Acetycholinesterase Correct Answer Enzyme in synaptic cleft that breaks down acetycholine. After it has tr...
![OCR AS LEVEL JUNE 2022 BIOLOGYA PAPER 1 QUESTION PAPER Real exam 2024/2025 update OCR AS LEVEL JUNE 2022](/docpics/4182247/659d88fcd8222_4182247_121_171.jpeg)
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OCR AS LEVEL JUNE 2022 BIOLOGYA PAPER 1 QUESTION PAPER Real exam 2024/2025 update OCR AS LEVEL JUNE 2022
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OCR AS LEVEL JUNE 2022 
 BIOLOGYA PAPER 1 
QUESTION 
PAPER 
Real exam 2024/2025 
update 
OCR AS LEVEL JUNE 2022 
 
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Friday 20 May 2022 – Afternoon 
AS Level Biology A 
H020/01 Breadth in biology 
Time all...
A LEVEL BIOLOGY FOR OCR A STUDY GUIDE WITH COMPLETE SOLUTION BASED ON JUNE’S FINAL EXAM!!
![OCR A Level Biology: Module 4 Exam Questions 2024.](/docpics/4969587/6616ed691c1ab_4969587_121_171.jpeg)
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OCR A Level Biology: Module 4 Exam Questions 2024.
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OCR A Level Biology: Module 4 Exam Questions 2024. 
 
 
What is the biggest taxonomic group? - CORRECT ANSWER Kingdom 
 
What are the seven groups? - CORRECT ANSWER Kingdom,phylum,class,order,family, genus and species 
 
Why do scientists classify organisms? - CORRECT ANSWER To identify species, to predict characteristics and to find evolutionary links 
 
What is the most recent level of hierarchy added to the taxonomic groups? - CORRECT ANSWER Domain 
 
What are the three domains? - CORRECT ANS...
![A-Level Biology – OCR Exam Questions Correctly Answered 2024.](/docpics/4962086/6615bcd120678_4962086_121_171.jpeg)
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A-Level Biology – OCR Exam Questions Correctly Answered 2024.
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A-Level Biology – OCR Exam Questions Correctly Answered 2024. 
 
 
What is a light microscope used for? - CORRECT ANSWER Observing living and dead specimins 
 
What are the pros and cons of a light microscope? - CORRECT ANSWER Pros: Cheap, portable, easy to use, can study living specimens. Cons: Limited magnification, poor resolution. 
 
What is a laser scanning confocal microscope used for? - CORRECT ANSWER Creating a high resolution, high contrast image, at different depths of the specimen. ...
![OCR A level biology Written Exam 2024.](/docpics/4961697/6615b2bb22c40_4961697_121_171.jpeg)
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OCR A level biology Written Exam 2024.
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OCR A level biology Written Exam 2024. 
 
 
Abiotic components - CORRECT ANSWER Components of an ecosystem that are non living 
 
Abiotic factors - CORRECT ANSWER Non living components of an ecosystem that effect other living organisms 
 
Acetycholine - CORRECT ANSWER Chemical that acts as a transmitter that diffuses across synaptic cleft 
 
Acetycholinesterase - CORRECT ANSWER Enzyme in synaptic cleft that breaks down acetycholine. After it has triggered an action potential in the post synaptic...
![OCR A Level Biology Test Papers Solved Correctly Latest Bundle 2024!](/docpics/5329756/6646999ee4cbe_5329756_121_171.jpeg)
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OCR A Level Biology Test Papers Solved Correctly Latest Bundle 2024!
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Biology OCR A level paper 1 Prep Exam And Actual Answers 2024.

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Meiosis

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OCR A Level Biology Module 4 - Communicable Diseases Exam And Answers Rated A+ 2024.

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OCR A Level Biology Biological Membranes Midterm Exam With Solved Solutions 2024.
![OCR A Level Biology Module 6 Final Exam Questions 2024.](/docpics/4970106/6616f798db19d_4970106_121_171.jpeg)
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OCR A Level Biology Module 6 Final Exam Questions 2024.
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OCR A Level Biology Module 6 Final Exam Questions 2024. 
 
 
regulatory gene - CORRECT ANSWER a gene that codes for a transcription factor, so controls the expression of structural genes 
 
structural gene - CORRECT ANSWER gene that codes for polypeptide 
 
mutation - CORRECT ANSWER a random change in the sequence of bases in an individual gene, or in the structure of the chromosome (which changes the sequence of genes on the chromosome) 
 
examples of mutagenic agents - CORRECT ANSWER x-rays, U...
OCR A level biology - module 2 (exam questions)
![A-Level Biology – OCR Actual Exam Questions 2024.](/docpics/4970274/6616fb8ef0fe4_4970274_121_171.jpeg)
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A-Level Biology – OCR Actual Exam Questions 2024.
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A-Level Biology – OCR Actual Exam Questions 2024. 
 
 
What is a light microscope used for? - CORRECT ANSWER Observing living and dead specimins 
 
What are the pros and cons of a light microscope? - CORRECT ANSWER Pros: Cheap, portable, easy to use, can study living specimens. Cons: Limited magnification, poor resolution. 
 
What is a laser scanning confocal microscope used for? - CORRECT ANSWER Creating a high resolution, high contrast image, at different depths of the specimen. 
 
What is a...
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