The following graph depicts the uptake of lactose into the cells. Which of the f

Question

The following graph depicts the uptake of lactose into the cells. Which of the following conclusions can be drawn based on the information provided? CN inhibition of fuel oxidation 4CN, or mutation at Glu325 or Arg302 um Time Select one: o a. Cyanide (CN-) is a direct inhibitor of lactose transport o b. Cyanide (CN-) reverses the effects of the Arg302 mutation O c. ATP is required for lactose export o d. Glu325 or Arg302 are amino acids likely associated with the membrane-spanning domain cross out cross out cross out of the transporter cross out O e. Glu325 or Arg302 are amino acids likely involved in binding lactose on the extracellular surface of the transporter cross out

Explanation / Answer

Conclusions : 1) cyanide is a direct inhibitor of lactose transport.

2) Glu325 or Arg302 are amino acids likely associated with the membrane spanning domain of the transporter.

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