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What else can I help you with?
Why would cell membrane be destroyed if if it were permeable instead of selectively permeable?
Unwanted substances could get in, potentially destroying the cell and membrane.
Is the plasma membrane permeable to small and charged molecules?
The plasma membrane is selectively permeable, meaning it allows certain substances to pass while restricting others. Small, uncharged molecules, such as oxygen and carbon dioxide, can easily diffuse through the membrane. However, charged molecules, such as ions, generally cannot pass freely due to the hydrophobic nature of the lipid bilayer. Instead, they require specific transport proteins or channels to facilitate their movement across the membrane.
Osmosis takes place when?
Its just like diffusion instead, osmosis moves high WATERconsentration to a low WATER consentration.
What is difference between osmosis and deffusion?
Osmosis is the movement of a solvent (water) into a cell where the concentration of a solute is higher, the lower concentration of solute being outside the root cells. Diffusion involves the spreading of a solute from areas of higher concentrations to areas of lower concentration within a solvent.Osmosis is made possible by a semi-permeable membrane which allows the solvent in, instead of allowing the solute out.
Why can't Sodium (Na ) potassium (K ) calcium (Ca2 ) chloride (Cl -) pass through the lipidbylayer?
Sodium, potassium, calcium, and chloride ions are charged particles that cannot easily pass through the lipid bilayer due to their hydrophobic tails, which repel charged molecules. Instead, these ions pass through ion channels or transport proteins embedded in the membrane that allow them to move in and out of the cell in a controlled manner.
Why do sugar molecules not diffuse through a plant cell membrane?
Sugar molecules do not diffuse through a plant cell membrane because they are too large and polar to pass through the hydrophobic interior of the lipid bilayer. Instead, sugar molecules are transported across the membrane by specific transport proteins, such as sugar transporters, that facilitate their movement into the cell.
Why is a chicks egg permeable instead impermeable?
so that the chick can get oxygen while its developing
When water diffuses in and out of a cell it is called?
in, this is called osmosis. it is a form of passive transport driven by the higher solute concentration inside the cell than outside. it requires no energy to run.out, this is called reverse osmosis. it is a form of active transport driven by higher pressure inside the cell than outside. it requires energy to create and maintain the pressure difference. living cells do not use this, instead they use a form of active transport involving pore pumpsembedded in the membrane to remove excess water and other undesired chemicals from the cell.
Is there a cell membrane in viruses?
Viruses dont have a cell membrane. Instead, they have a protein sheath.
Difference between osmosis and diffusion?
Diffusion is the movement of substance (anything- solid ,liquid, gas, etc.) from a higher concentration gradient to a lower concentration gradient.Osmosis is the net movement of water molecules from higher concentration gradient to a lower concentration gradient through a partially permeable membraneSo the difference is that diffusion involves movement of any particles/ substance (e.g. solid, liquid, gas) while osmosis can only occur with water.Another one is that diffusion can occur with or without a membrane but osmosis can only occur with a membrane.Hope this helps. :)
Osmosis does not require what?
Osmosis does not require energy input, such as ATP, for the movement of molecules across a semi-permeable membrane. Instead, it relies on the concentration gradient of solute molecules to drive the movement of water molecules.
What is the different between Diffusion and Osmosis?
Diffusion is the process in which there is movement of a substance to an area of lower concentration of that substance to an area of lower concentration whereas osmosis is the diffusion of molecules through a semipermeable membrane from a place of higher concentration to a place of lower concentration until the concentration on both sides is equal.
