The ultrafiltration theory for the permeabili | vedclass

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Question

(B) The ultrafiltration theory was proposed by $W. Ruhland$ $(1912)$ and $Hoffman$ $(1925)$.According to this theory,the cell membrane acts as a molec

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Ruhland

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(B) The ultrafiltration theory was proposed by $W. Ruhland$ $(1912)$ and $Hoffman$ $(1925)$.According to this theory,the cell membrane acts as a molecular sieve.It suggests that small pores are present on the membrane.Only those molecules that are smaller in size than the pores of the membrane can pass through it.Therefore,the correct option is $B$.

The ultrafiltration theory for the permeability of the cell membrane was put forth by:

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