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What else can I help you with?
Does the nervous system and the CNS mean the same thing?
CNS is an acronym for Central Nervous System, thus they are the same thing.
Is the membrane of neurons very permeable to Na when at rest?
the same as that to potassium
Does the cell membrane acts like a strainer?
A vegetable strainer is similar to a selectively permeable membrane because it only allows certain materials to pass through. A strainer filters the large particles such as vegetables, but allows water to permeate.
What are all the passive transport in a cell?
There are two types of passive transport in a cell:Diffusion - the substance moves down a concentration gradient across a partialy permeable membrane. This requires no energy.Osmosis - WATER moves down a water potential across a partially permeable membrane. This requites no energy.
Why do Paramecium need to remove water?
The simple answer is osmosis. Osmosis is the movement of water from a dilute solution to a more concentrated solution through a semi-permeable membrane*. Any animal in freshwater has a higher concentration of dissolved substances in its cells than the surrounding water. A Paramecium is enclosed by a semi-permeable cell membrane, which lets water in but prevents most dissolved substances leaking out. Under these conditions osmosis will occur and the cell will gain water. To prevent itself swelling up and bursting Paramecium has a contractile vacuole, a structure in the cell which fills up with water and periodically expells it back into the surroundings. * The semi-premeable membrane is also called partially permeable or selectively permeable, which all mean basically the same thing.
What is an example of a common item that performs similarly to a selectively permeable membrane?
cell walls are semi-permeable, that is, they selectively permit only certain things through.
What does it mean to say most biological membranes are selectively permeable?
It means that biological membranes allow only specific substances to pass through while blocking others. This selectivity is achieved through the presence of different types of transport proteins and lipid components in the membrane. This property is crucial for maintaining cell integrity and regulating the flow of materials in and out of the cell.
What is the difference between a semi-permeable and a partially permeable membrane?
An impermeable membrane is that through which no substance can pass. Semipermeable membranes are those that let only solvents, like water, to pass through it. Permeable membranes are those that let solvent and solutes, like ions and molecules, to pass across it. There are also selectively permeable membranes, i.e., membranes that besides allowing the passage of solvent, let only some specific solutes to pass while blocking others. See link:
Is the average and the mean of a number the same thing?
Yes they mean the same thing.
Do fear and scared mean the same thing?
Yes they mean the same thing.
Does buttressed mean the same thing as reinforced?
Yes, they can mean the same thing.
Are diffusion and osmosis the same process?
Diffusion and osmosis are similar processes, but they are not the same. Diffusion is the movement of molecules from an area of high concentration to an area of low concentration, while osmosis specifically refers to the movement of water molecules across a selectively permeable membrane.
Are average and range the same thing?
No, they are not the same thing. Mean and average are the same thing.
Are shabby and different mean the same thing?
Shabby and different do not mean the same thing.
Does elimination mean the same thing as abolition?
These two words can mean the same thing.
Can the words solid and dependable mean the same thing?
It can mean the same thing if you use it right:It's a solid source.It's a dependable source.They SOMETIMES can mean the same thing.
Can diffusion and osmosis occur simultaneously?
Yes, diffusion and osmosis can occur simultaneously. Diffusion is the movement of molecules from an area of high concentration to low concentration, while osmosis specifically refers to the movement of water across a selectively permeable membrane. In a system with solutes and a semi-permeable membrane, both processes can happen at the same time.
