AQA AS BIOLOGY 7401 Paper 1 Mark scheme June 2021
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AQA AS BIOLOGY 7401/1 Paper 1 Mark scheme June 2021
- Exam (elaborations) • 19 pages • 2023
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AQA AS
BIOLOGY
7401/1
Paper 1
Mark scheme
June 2021. 100% CORRECT questions, answers, workings and explanations. Whatsapp +25479 093 7672 for assistance.Question Marking Guidance Mark Comments
01.1 1. Hydrogen (bonds);
2. Phosphodiester (bonds);
2 2. Accept
ester/covalent bond
Question Marking Guidance Mark Comments
01.2 Correct answer for 2 marks = 1489/1489.2;;
Incorrect answer but for 1 mark accept:
876
OR
1861 - 1862
2
Question Marking Guidance Mark Comments
01.3
1. tRNA i...
Exam (elaborations)
AQA AS BIOLOGY 7401/1 Paper 1 Mark scheme June 2021
Last document update:
ago
AQA AS BIOLOGY 7401/1 Paper 1 Mark scheme June 2021. 100% CORRECT questions, answers, workings and explanations. Whatsapp +25479 093 7672 for assistance.Question Marking Guidance Mark Comments 01.1 1. Hydrogen (bonds); 2. Phosphodiester (bonds); 2 2. Accept ester/covalent bond Question Marking Guidance Mark Comments 01.2 Correct answer for 2 marks = 1489/1489.2;; Incorrect answer but for 1 mark accept: 876 OR 1861 - 1862 2 Question Marking Guidance Mark Comments 01.3 1. tRNA i...
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