Examlex
Select the best word for the blank in the following sentence.
The patient, in addition to his daughters, ___________ optimistic about the doctor's prognosis.
Marker Molecules
Substances used to identify or track cells, biological processes, or molecules in research and diagnostic applications.
Receptor Proteins
Proteins located on the surface of cells or within cells that bind to specific molecules, triggering a response within the cell.
Ligand
A molecule that binds to another (usually larger) molecule, used especially in reference to molecules that bind to receptor sites on target cells.
G-Protein Complex
A signaling molecule that is activated by cell surface receptors and helps transmit signals from various stimuli into a cell's interior.
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