Exam (elaborations)
OCR 2023 Biology A H420/03: Unified biology A Level Question Paper & Mark Scheme (Merged)
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1 Cats are mammals. (a) A light micrograph of a section through the trachea of a cat is shown in Fig. 1.1. Fig. 1.1 A B C (i) Name the tissues labelled A and B in Fig. 1.1. A ........................................................................................................................
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