You are studying a new organism from the muck at the bottom of Columbia Lake, wh
ID: 783162 • Letter: Y
Question
You are studying a new organism from the muck at the bottom of Columbia Lake, which you have named Ipso facto. I. facto is able to take up ribose from the growth medium by the ribose transport protein (RTP). Your data indicates that the ribose that is taken up is converted to ribose-5-phosphate (R-5-P) as it is transported into the cell, and the phosphate on the R-5-P is from ATP. The uptake of ribose is not inhibited by compounds that inhibit the Na+-K+ ATPase (the Na+-K+ pump).
1a). What type of transport is used to take up the ribose in I. facto? In your answer, explain all the data. What is the source of energy for the transport of the ribose? Support your answer
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