Membrane Bound Organelles, especially the nucleus which contains the genetic material and is enclosed by the nuclear envelope.
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The answer would be kingdom
Answer is: coupled transport differs from primary active transport due to the fact that it uses electrochemical potential difference as a direct source of energy.
Primary active transport directly uses metabolic energy (adenosine triphosphate- ATP) to transport molecules across a membrane.
In secondary active transport (coupled transport) there is no direct coupling of ATP, <span>energy derived from the pumping of protons across a cell membrane.</span>
Water passes the cell membrane by travelling through protein channels in the lipid bilayer.
The lipid bilayer has a non-polar interior, meaning polar molecules are not able to pass through them. To facilitate the movement of such molecules in and out of the cell, there are protein channels present in the membrane. The channels that assist the movement of water molecules are called aquaporins.
