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Water molecules move by osmosis through the cell membrane which is a selectively permeable membrane. Since the middle of the lipid bilayer is hydrophobic, the movement of water is made possible by water channels or aquaporins in the membrane.
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Water soluble molecules often enter or exit a cell in what process?
osmosis ....i think
How are amino acid molecules and fatty acid molecules the same?
amino acid molecules are water soluble meaning they cannot enter the cell. Fatty acid molecules CAN enter the cell.
How do Lipid-soluble molecules and gases enter the cell?
diffusion through the lipid bilayer.
The fatty acid tail region of the phospholipids prevent soluble molecules from entering the cell?
Water
What selects which molecules enter the cell?
Nuclear decide and allow which molecules will be enter in the cell,- Isrg Rajan
Water soluble molecules often enter or exit a cell in what process?
osmosis ....i think
How do fatty acid molecules differ from amino acid molecule?
amino acid molecules are water soluble meaning they cannot enter the cell. Fatty acid molecules CAN enter the cell.
How are amino acid molecules and fatty acid molecules the same?
amino acid molecules are water soluble meaning they cannot enter the cell. Fatty acid molecules CAN enter the cell.
Do lipid soluble molecules diffuse into a cell more rapidly than water soluble molecules?
Yes.
How do Lipid-soluble molecules and gases enter the cell?
diffusion through the lipid bilayer.
How does salts enter the cell?
Salts are soluble. The phospholipid bilayer membrane of cell walls are permeable to water and thus allow water and water-soluble substances, like salts, diffuse through.
Why will water-soluble molecules have a hard time moving through the lipid bilayer of a cell?
false
The fatty acid tail region of the phospholipids prevent soluble molecules from entering the cell?
Water
Molecules can pass through the cell membrane of the human cell?
The molecules that can pass through the cell membrane of the human cell include water. Other molecules include fat soluble vitamins.
Molecules move between the nucleus and the cytoplasm through?
Water soluble molecules such as protein and RNA.
Why can only molecules that are fat soluable permate a cell membrane?
The cell wall itself is made of lipid. To be more precise, the cell membrane is made of a bilayer of phospholipids. The hydrophobic fatty acid tails prevent water-soluble molecules passing through, but allow the transport of lipid-soluble molecules.
How do fat-soluble molecules normally get into a cell?
seroids
