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Exam (elaborations)

OCR BIOLOGY A LEVEL QUESTIONS AND VERIFIED ANSWERS
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63

October 2025

2025/2026

A+
OCR BIOLOGY A LEVEL QUESTIONS AND VERIFIED ANSWERS 1. What term describes a change in the sequence of bases within DNA? A) Recombination B) Replication error C) Mutation D) Translocation ________________________________________ 2. Which are the three ways a DNA base sequence can be altered? A) Translocation, duplication, inversion B) Substitution, deletion, insertion C) Recombination, inversion, fusion D) Mutation, translation, transcription ____________________________________...
NjoguAmos
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OCR Biology A Level EXAM WITH QUESTIONS AND ANSWERS
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June 2024
Exam (elaborations) OCR Biology A Level EXAM WITH QUESTIONS AND ANSWERS 2 Exam (elaborations) OCR Biology A Level EXAM WITH QUESTIONS AND ANSWERS Change in the sequence of bases in DNA - CORRECT ANSW-What is a mutation? Substitution, deletion and insertion - CORRECT ANSWWhat are the three ways the base sequence can be altered? 3 Exam (elaboratio
DRLAIRA01
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OCR Biology A Level EXAM WITH QUESTIONS AND ANSWERS
Available in bundle

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107

June 2024

2023/2024

A+
Available in bundle
OCR Biology A Level EXAM WITH QUESTIONS AND ANSWERS Change in the sequence of bases in DNA - CORRECT ANSW-What is a mutation? Substitution, deletion and insertion - CORRECT ANSWWhat are the three ways the base sequence can be altered? Point mutation - CORRECT ANSW-What is the term for a mutation where only one nucleotide is affected? degenerate code new amino acid is similar amino acid not involved with proteins function - CORRECT ANSW-What are the causes of a silent mutatio...
DRLAIRA01
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OCR Biology A Level (Full) Test Questions With All Correct Answers
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54

June 2023

2022/2023

A+
OCR Biology A Level (Full) Test Questions With All Correct Answers Which factors affect evolution? - CORRECT ANSWER Mutation, natural selection, sexual selection, gene flow and genetic drift What is a mutation? - CORRECT ANSWER Change in the sequence of bases in DNA What are the three ways the base sequence can be altered? - CORRECT ANSWER Substitution, deletion and insertion What is the term for a mutation where only one nucleotide is affected? - COR...
Stuviaascorers
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