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Pearson Edexcel Level 3 GCE Biology A (Salters Nuffield) Advanced PAPER 1: The Natural Environment and Species Survival 9BN0/01

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Pearson Edexcel Level 3 GCE Biology A (Salters Nuffield) Advanced PAPER 1: The Natural Environment and Species Survival 9BN0/01Answer ALL questions. 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 Mineral ions are required for plant growth. (a) (i) Nitrate ions are required for the synthesis of (1) A amino acids B cellulose C starch D sucrose (ii) Phosphate ions are required for the synthesis of (1) A cellulose B chlorophyll C nucleic acids D sucrose (iii) Magnesium ions are present in the structure of (1) A amino acids B cellulose C chlorophyll D starch [Show More]

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