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Ivan
3 years ago
14

Which type of protein binds a ligand on the cell surface or within cells, often initiating a downstream signaling cascade or alt

ering gene transcription?
Biology
1 answer:
kkurt [141]3 years ago
3 0

Answer:

The type of protein that binds a ligand on the cell surface or within cells are transmembrane receptors. These proteins have 3 domains: an extracellular part that does the binding, a hydrophobic domain that extends through the membrane, and an intracellular region that transmits the signal. The most common membrane-anchored receptors are: G protein-coupled receptors, receptor tyrosine kinases, and ligand-gated ion channels.

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