Ocr a level biology Study guides, Revision notes & Summaries
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OCR 2023 Biology A H020/01: Breadth in biology AS Level Question Paper & Mark Scheme (Merged)
- Exam (elaborations) • 2 pages • 2024
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OCR 
2023 
Biology A 
H020/01: Breadth in biology 
AS Level 
Question Paper & Mark Scheme (Merged)
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A LEVEL 2023 OCR BIOLOGY QUESTION PAPER 3 WITH MARK SCHEME
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A LEVEL 2023 OCR BIOLOGY QUESTION PAPER 3 WITH MARK SCHEME
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OCR AS Level Biology A H020/02 JUNE 2023 QUESTION PAPER: Depth in biology
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This is the official question paper
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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...
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Ocr A level biology paper 2 questions & answers
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Ocr A level biology paper 2 questions & answers
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OCR A LEVEL BIOLOGY QUESTIONS WITH COMPLETE SOLUTIONS.
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OCR A LEVEL BIOLOGY QUESTIONS WITH COMPLETE SOLUTIONS. OCR A LEVEL BIOLOGY QUESTIONS WITH COMPLETE SOLUTIONS. OCR A LEVEL BIOLOGY QUESTIONS WITH COMPLETE SOLUTIONS. OCR A LEVEL BIOLOGY QUESTIONS WITH COMPLETE SOLUTIONS. OCR A LEVEL BIOLOGY QUESTIONS WITH COMPLETE SOLUTIONS. OCR A LEVEL BIOLOGY QUESTIONS WITH COMPLETE SOLUTIONS. OCR A LEVEL BIOLOGY QUESTIONS WITH COMPLETE SOLUTIONS. OCR A LEVEL BIOLOGY QUESTIONS WITH COMPLETE SOLUTIONS. OCR A LEVEL BIOLOGY QUESTIONS WITH COMPLETE SOLUTIONS....
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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...
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