Examlex
The graphs of the two equations below are shown. The lines representing these equations may be the same, may intersect once, or may be parallel. Decide whether the system of equations in the problem has one solution, no solution, or an infinite number of solutions. and
Osmosis
The movement of water molecules through a semi-permeable membrane from a region of low solute concentration to a region of high solute concentration to equalize the concentrations on both sides of the membrane.
Semipermeable Membrane
A type of membrane that allows certain molecules or ions to pass through it by diffusion and occasionally specialized "facilitated diffusion," while blocking others.
Diffusion
The process by which molecules move from an area of higher concentration to an area of lower concentration, driven by thermal energy.
Polymyxin B
An antibiotic used to treat bacterial infections by disrupting the cell membrane, primarily active against Gram-negative bacteria.
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