Relaying a Message from a Membrane Receptor to a Molecule

question 69

Multiple Choice

Relaying a message from a membrane receptor to a molecule that performs a specific function within a cell occurs when

• A) a signaling molecule binds to a protein that extends to the outside of the cell.
• B) a protein receptor on the interior of the membrane becomes bound by a signaling molecule.
• C) the extracellular matrix is moved to the inside of the cell.
• D) glycoproteins are recognized by other cells.

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