Multiple Choice
Where are cell surface receptors typically located in a cell?
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10. Cell Signaling
Introduction to Cell Signaling
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Where are growth factor receptors typically found in the cell?
A
In the mitochondria
B
In the nucleus
C
On the cell surface
D
In the cytoplasm
Verified step by step guidance1
Understand the role of growth factor receptors: Growth factor receptors are proteins that bind to growth factors, which are signaling molecules that regulate various cellular processes such as growth, differentiation, and survival.
Identify the location of receptor-ligand interactions: Growth factor receptors typically interact with their ligands outside the cell, which means they need to be accessible to extracellular signaling molecules.
Consider the structure of the cell: The cell surface is the outermost layer of the cell, composed of the plasma membrane, which is the ideal location for receptors that need to interact with external signals.
Recognize the function of the plasma membrane: The plasma membrane serves as a barrier and a site for communication between the cell and its environment, making it a suitable location for growth factor receptors.
Conclude the typical location: Based on the need for accessibility to extracellular signals and the function of the plasma membrane, growth factor receptors are typically found on the cell surface.
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