Examlex
An atom of which of the following elements has the most negative electron affinity?
Tyrosine Kinase
An enzyme that phosphorylates the tyrosine part of proteins.
G Protein
A group of proteins that act as molecular switches across cell membranes, involved in transmitting signals from stimuli outside the cell.
Signaling Molecule
A molecule such as a hormone, local regulator, or neurotransmitter that transmits information when it binds to a receptor on the cell surface or within the cell.
Ligands
Molecules or ions that bind to a central metal atom to form coordination compounds, affecting the properties and behaviors of that metal.
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