phosphate groups
phosphate groups
phosphate groups
Phosphate groups
Phosphate groups
Phosphate groups
The part of the cell membrane that allows cells to exist in water is the phospholipid bilayer. This bilayer consists of hydrophilic (water-attracting) heads facing outward towards the water and hydrophobic (water-repelling) tails facing inward, away from the water. This arrangement creates a barrier that protects the cell while allowing essential substances to pass through, maintaining the cell's integrity and function in an aqueous environment.
The part of the cell membrane that is polar and allows water to exist is the phospholipid bilayer. The hydrophilic (water-attracting) heads of phospholipids face outward towards the aqueous environment, while the hydrophobic (water-repelling) tails face inward, away from water. This arrangement creates a selective barrier that regulates the movement of substances, including water, into and out of the cell. The presence of proteins and channels also facilitates the transport of water molecules across the membrane.
Phosphate groups
The cell membrane is the layer that surrounds the cell and allows nutrients and water to pass through.
phosphate groups
Phosphate groups
Water crosses the permeable membrane of an animal cell through a process called osmosis. Osmosis is the movement of water from an area of high concentration to an area of low concentration, across a selectively permeable membrane. This process helps maintain the balance of water inside and outside the cell.