OCR A Level

Cambridge Institute Of Allied Health & Technology

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OCR A_Level Biology Paper 1 Marking Scheme.
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25

July 2023

2022/2023

A+
OCR A_Level Biology Paper 1 Marking Scheme. Question Answer Marks AO element 1 D 1 1.2 2 B 1 1.1 3 A 1 1.1 4 A 1 1.1 5 B 1 1.1 6 B 1 1.1 7 B 1 1.1 8 B 1 1.1 9 A 1 2.6 10 A 1 2.6 11 C 1 2.3 12 C 1 2.4 13 B 1 1.1 14 C 1 1.2 15 B 1 2.5 Total 15 H420/01 Mark Scheme Question Answer Marks AO element 16 (a) (i) adenine 1 2.1 DO NOT ALLOW adenosine IGNORE nitrogenous base / purine (a) (ii) hydrolysis 1 2.1 IGNORE dephosphorylation (a) (ii...
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