Biology, 25.03.2020 02:13 lberman2005p77lfi
A researcher synthesizes a new molecule called inhibitor X that inhibits the activity of phosphofructokinase (PFK), the enzyme that phosphorylates fructose 6−phosphate during glycolysis. Inhibitor X competes with ATP for binding to the PFK active site. The researcher determines that the Michaelis–Menten constant ( K m ) with respect to ATP is 40 µM. When 1.5 µM inhibitor X is added to the purified PFK reaction, the apparent K m for ATP increases to 52 µM. Calculate the dissociation constant of the PFK‑inhibitor complex ( K I ) .
Answers: 2
Biology, 22.06.2019 03:00
Why do leaves change color in the fall? green pigments break down and no longer mask the color of chlorophyll. chlorophyll breaks down and no longer masks the colors of other pigments. red- and yellow-colored pigments grow and mask green-colored chlorophyll. green-colored chlorophyll breaks down and turns red and yellow.
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Biology, 22.06.2019 05:30
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A researcher synthesizes a new molecule called inhibitor X that inhibits the activity of phosphofruc...
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