Page 103 - The Miracle in the Cell Membrane

Harun Yahya (Adnan Oktar)

1. Passive Transport
The cell mem brane is the first obsta cle a sub stance
encoun ters upon enter ing the cell. If the cell expends no
ener gy in the car ry ing of the sub stance in ques tion, this is
known as pas sive trans port, a form of car riage that takes
place with move ment from a very con cen trat ed envi ron -
ment to a less con cen trat ed one. The main forms of this
trans port are dif fu sion and osmo sis.

Diffusion
The dis sem i na tion of mol e cu les from a denser envi -
ron ment towards a less dense one is gen er al ly referred to
as dif fu sion. In cel lu lar dif fu sion, this means the pas sage
of mol e cu les through spa ces between the cell mem bra -
ne's mol e cu les or else the move ment of mol e cu les bound

Mixture of water and
permanganate particles

Water

At above right, you can see the
latticed molecular structure of
wet snow.
DIFFUSION IN WATER
Place potassium permanganate in water, and
its blue color will gradually spread. The water
molecules push the permanganate particles
apart. In the same way, a tea bag placed into
Potassium a cup gradually spreads its contents through-
permanganate
crystals out the water, imparting color and flavor.

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