Examlex
By weight, which element is the most plentiful in the human body?
Channel Proteins
Proteins that form pores in a cell membrane, allowing specific ions or molecules to pass through.
Hydrophilic Head
The part of a molecule, particularly in lipids, that is attracted to water.
Phospholipids
Phospholipids are a class of lipids forming the major component of all cell membranes, characterized by a hydrophilic head and two hydrophobic tails, providing vital barrier and structural functions.
Permeable
A characteristic of materials that allows liquids or gases to pass through them due to the presence of tiny holes or pores.
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