OFFICIAL SUMMER 2025 PEARSON EDEXCEL Pearson Edexcel A Level GCE In Biology A Salters - Nuffield (9BN0) Paper 2: Energy, Exercise and Co-ordination MERGED QUESTION PAPER + MARK SCHEME

OFFICIAL SUMMER 2025 PEARSON EDEXCEL Pearson Edexcel A Level GCE In Biology A Salters - Nuffield (9BN0) Paper 2: Energy, Exercise and Co-ordination MERGED QUESTION PAPER + MARK SCHEME Answer ALL questions. Write your answers in the spaces provided. Some questions must be answered with a cross in a box . If you change your mind about an answer, put a line through the box and then mark your new answer with a cross . 1 The pancreas is an organ found in the human body. The pancreas is made up of a number of different cell types including beta cells and acinar cells. (a) The diagram shows a beta cell from a human pancreas. pair of centrioles rough endoplasmic reticulum (rER) of width 20 nm (i) Calculate the magnification of this diagram. 2 (2) Answer .. . . .. . . .. . . . .. . . .. . . .. . . .. . . .. . . . .. . . .. . . .. . . . .. . . .. . . .. . . .. . ■■■■ DO NOT WRITE IN THIS AREA DO NOT WRITE IN THIS AREA