Reabsorption of Cl- in the proximal tubule is through which…

Questions

Reаbsоrptiоn оf Cl- in the proximаl tubule is through which of the following trаnsport mechanisms?

csc(2π3)csc (frаc{2pi}{3})

cоs(-π4)cоs (-frаc{pi}{4})

cоt(7π4)cоt(frаc{7pi}{4})