OCR B3 Quiz A quiz on the basics of B3 3.5 / 5 based on 5 ratings ? BiologyGCSEOCR Created by: Beth FisherCreated on: 04-12-12 15:15 What occurs in mitochondria? Respiration 1 of 5 Where are ribosomes found? In the cytoplasm 2 of 5 Where does protein synthesis occur? Ribosomes 3 of 5 What are the four bases in genes? A,T,C,G 4 of 5 Who are the two scientists that first discovered DNA's double helix? Watson and Crick 5 of 5
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