Periodic Table Question 11 of 24 Sapung Learning The enzyme ribose and to replen

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Periodic Table Question 11 of 24 Sapung Learning The enzyme ribose and to replenish ribulose-1,5 bisphosphate, an enediolate intermediate. In the Calvin cycle, RubP is used a substrate for CH20H For the conversion of R5P to Ru5P, if AG" 0.460 kJ/mol and AG 4,00 kJ/mol, calculate the ratio of Ru5P to RSP at 298 K. Number Ru5P Which of the following statements is true? O This reaction is not favorable, and is not likely regulated O This reaction is not favorable, and is likely regulated. O This reaction is favorable. and is likely regulated. & Vimw solution 0 check Answer 0 Next l Exit G Previous 8 Give up 8 Hint

Explanation / Answer

Apply:

dG = dG° + RT*ln(Q)

Q = [Ru5P]/[R5P]

dG = dG° + RT*ln([Ru5P]/[R5P]

4000 = 460 + 8.314*298*ln(Q)

Q = exp( 4000 -460 ) /(8.314 * 298 )

q = 4.1737

ratio = 4.1737

B)

Ru5P is favoured over R5P

but dG is positive, so...

THis is NT favrabe and it is not likely regulated

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