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Multiple Choice
Which of the following is not a type of receptor found on the cell's plasma membrane?
A
Enzyme-linked receptors
B
Nuclear receptors
C
G-protein coupled receptors
D
Ion channel receptors
Verified step by step guidance
1
Understand the types of receptors typically found on the cell's plasma membrane: Enzyme-linked receptors, G-protein coupled receptors, and Ion channel receptors.
Recognize that nuclear receptors are not located on the cell's plasma membrane. Instead, they are found within the cell, often in the cytoplasm or nucleus.
Recall that nuclear receptors function by directly interacting with DNA to regulate gene expression, which is different from the signaling mechanisms of membrane-bound receptors.
Identify that the question is asking for the receptor type that is not found on the plasma membrane, which in this case is the nuclear receptor.
Conclude that nuclear receptors are distinct from the other receptor types listed, as they are intracellular and not part of the cell's plasma membrane.