Examlex
Which of the following molecules is polar?
A.CH3OH
B.H2O
C.CH3OCH3
Laser
A device that emits light through a process of optical amplification based on the stimulated emission of electromagnetic radiation.
Plasma Membrane
The selectively permeable surface membrane that encloses the cell contents and through which all materials entering or leaving the cell must pass.
Trans Membrane
Pertaining to or occurring across a cell membrane, typically involving the movement of substances or the effect of signaling molecules.
Integral Membrane
Proteins that are permanently embedded within the cell membrane to facilitate communication and transport between the cell's interior and exterior.
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