Multiple Choice
Which of the following individuals did not contribute to the establishment of cell theory?
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10. Cell Signaling
Introduction to Cell Signaling
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Where are cell surface receptors typically located in a cell?
A
In the mitochondria
B
In the cytoplasm
C
Inside the nucleus
D
On the plasma membrane
Verified step by step guidance1
Understand that cell surface receptors are proteins that are responsible for receiving and transmitting signals from the external environment into the cell.
Recognize that these receptors need to be accessible to molecules outside the cell, such as hormones or neurotransmitters, to effectively bind and initiate a cellular response.
Identify the plasma membrane as the boundary that separates the interior of the cell from the external environment, making it the ideal location for these receptors.
Consider the structure of the plasma membrane, which is composed of a lipid bilayer with embedded proteins, allowing it to host various receptors.
Conclude that cell surface receptors are typically located on the plasma membrane, where they can interact with external signaling molecules.
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