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Which subunit of a heterotrimeric G protein binds GTP?
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2. Cell Chemistry & Cell Components
Introduction to Membrane Transport
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Where can the site for the binding of regulatory proteins typically be found in cell communication?
A
In the mitochondria
B
On the cell membrane
C
In the nucleus
D
In the cytoplasm
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Understand the role of regulatory proteins in cell communication. These proteins are crucial for transmitting signals and regulating cellular activities.
Recognize that the cell membrane is a key structure in cell communication. It acts as a barrier and a site for signal reception and transmission.
Identify that regulatory proteins often bind to receptors located on the cell membrane. These receptors are integral membrane proteins that facilitate communication between the cell and its external environment.
Consider the function of the cell membrane in hosting various receptors that interact with signaling molecules, allowing regulatory proteins to bind and initiate cellular responses.
Conclude that the site for the binding of regulatory proteins in cell communication is typically found on the cell membrane, where receptors are located to mediate signal transduction.
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