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The Hydrophobic phospholipid "tails." Cell Membranes are composed of lines of hydrophilic (water loving) phospholipid heads that face outside the cell and inside the cell. On the inside of the membrane, however, are hydrophobic (water hating) phospholipid tails, which repel charged particles.
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MaxineThe structure in a cell membrane that repels charged particles is the lipid bilayer. The lipid bilayer is composed of phospholipids, which have hydrophilic (water-loving) heads and hydrophobic (water-repelling) tails. This arrangement prevents charged particles from easily crossing the membrane.
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What repels electric charge?
A negative charge will repel a negative charge.
How does the structure of phospholipids linear molecules with a polar end and a nonpolar end relate to their function in the cell membrane?
The linear structure of phospholipids allows them to form a bilayer in the cell membrane due to their amphipathic nature, with the polar head facing outward towards water and the nonpolar tails facing inward. This arrangement helps create a barrier that controls the movement of substances in and out of the cell, contributing to the selective permeability of the cell membrane.
What of the cell membrane repeals water?
The lipid bilayer of the cell membrane repels water due to its hydrophobic nature. The hydrophobic tails of the phospholipids face inward and prevent water molecules from passing through easily, creating a barrier. This property helps regulate the movement of molecules into and out of the cell.
How is paint given a positive charge when it leaves a spray nozzle?
Paint is given a positive charge when it leaves a spray nozzle through a process called electrostatic spray painting. In this process, the paint is positively charged by passing it through a high-voltage electrode in the nozzle, creating a positive charge that repels the positively charged paint particles, causing them to disperse evenly and adhere more effectively to the surface being painted. This leads to better coverage and less overspray.
What if there was only positive charged particle in the universe?
That's not a question that can be answered. We do not know why there are three generations of fundamental particles, and so it stands to reason that we do not know what would be necessary for only one generation. I hypothesize that the constants and forces of nature would be entirely different, but this is making an assumption that our three generations of particles rely on the constants and forces of nature and I cannot prove my assumption. The simplest answer, and by far the least satisfying, is I don't know. <><><><><> Its a matter of balance. With only a positively charged particle, everything would repel everything else and the universe would fly apart. With oppositely charged particles, some matter repels and some attracts. Of course, this does not consider the strong force, which is always attractive, nor does it consider the weak force, in which neutrons factor into the equation.
