Examlex
Which of the following is the structure of o-chlorobenzoic acid?
Chemical Messengers
Substances, often hormones or neurotransmitters, that transmit signals from one cell to another.
Receptor Proteins
Proteins located on the surface of or within cells that bind to specific molecules like hormones or neurotransmitters, triggering a specific cellular response.
Channel Protein
A type of protein that forms channels across the lipid bilayer of cells to facilitate the transport of specific substances across the cell membrane.
Plasma Membrane
The lipoprotein bi-layer that surrounds a cell, controlling the entry and exit of substances.
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