OBJECTIVE FORESTRY

FORESTRY

SOIL SCIENCE

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What is the relationship between particle size and permeability?
A
As particle size increases, the permeability decreases.
B
As particle size increases, the permeability increases.
C
As permeability decreases, the particle size decreases.
D
As permeability increases, the particle size remains constant.
Explanation: 

Detailed explanation-1: -But permeability is a different thing. It increases as particle size increases. By definition, permeability is a MEASURE OF EASE with which fluids will flow though a porous rock, soil or sediment.

Detailed explanation-2: -The impact of such facilitated mechanisms in the cellular transport of larger druglike molecules is not yet clear. Analyses of cell permeability in traditional small-molecule drug space indicate that transporter-mediated efflux increases with greater molecular size.

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