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5 prime 3 prime.png


3' - also pronounced 3 prime. The prime numbers comes from which carbon on the sugar part of the base, the attachment is made. 5 prime means that the connection is made on the fifth carbon and 3 prime means that connection is made on the third carbon. It is also used to state reading direction in RNA. 

Teaching about 3'

RNA Chemical Structure: carbon positions 1' - 5'