Multiple Choice
Which of the following cell signaling molecules crosses the cell membrane the easiest?
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10. Cell Signaling
Introduction to Cell Signaling
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Which of the following best explains the process of transduction in cell signaling?
A
Conversion of a signal from outside the cell into a functional change within the cell
B
The release of signaling molecules from a cell
C
The binding of a ligand to a receptor on the cell surface
D
The termination of a signal pathway
Verified step by step guidance1
Understand the concept of cell signaling: Cell signaling is the process by which cells communicate with each other, often involving the reception, transduction, and response to signals.
Define transduction in cell signaling: Transduction refers to the conversion of a signal from outside the cell into a functional change within the cell. This is a key step in the signaling pathway.
Identify the role of transduction: During transduction, the external signal is transformed into a series of molecular events inside the cell, often involving a cascade of protein activations.
Differentiate transduction from other steps: Compare transduction with other steps such as ligand binding (initial signal reception) and signal termination (ending the signaling pathway).
Recognize the correct explanation: The best explanation for transduction in cell signaling is the conversion of a signal from outside the cell into a functional change within the cell, distinguishing it from other processes like ligand binding or signal termination.
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