Group Study ! - #1 Group Study RNA It consists of one to...

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#1 Group Study RNA! . It consists of one to three phosphates (left side), and a nucleoside (right side). The nucleoside is further subdivided into a base (pick one of 4 possible: either adenine, uracil, guanine, or cytosine; more on these later), and a ribose (a 5-carbon sugar) in the middle. Note carefully how we number the carbon molecules on the ribose. Also note how the base (adenine, in this case) is connected to the ribose (to the #1 carbon, or 1’ Carbon) on one side, and how the first phosphate is connected (to the 5’ Carbon) on the other side. Replication of RNA: RNA replication begins with Nucleoside triphosphates attaching themselves to a growing RNA polymer by attaching their first phosphate to the number 3’ carbon’s OH group. In the process, two of the phosphates detach, this is called polymerization. The first time this happens it creates a monophosphate RNA monomer that is covalently bonded. Once this happens more than once, it is called template-directed polymerization. Each monophosphate has a base that is either A, U, C,
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This note was uploaded on 10/23/2011 for the course BIO 101 taught by Professor Wright during the Spring '11 term at Chapman University .

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Group Study ! - #1 Group Study RNA It consists of one to...

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