Cellular Signaling



	Cellular Processes

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	Cellular Signaling



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Cellular Signaling

What is not a purpose of cellular signaling?
To help coordinate the activities of all cells in a multi-cellular organism.
To produce ATP.
To flex a muscle.
To initiate cell death.

Which one of the following is not a form of cellular signaling?
Chemical-mediated Signaling
Receptor-mediated Signaling
Active Transport
Release of Neurotransmitters

In the local chemical mediator model, chemical signals secreted by a cell
only affects its neighboring cells.
can be transported to distant cells.
can be used to initiate cell death.
is not a type of receptor-mediated signaling.

Which one of the following is an example of receptor-mediated signaling?
Cells secrete seretonin.
Foreign proteins are displayed on the cell surface to signal infection.
Cells secrete a neurotransmitter.
Cells bind with a signaling molecule from a distant cell.

Cellular signals cannot initiate which of the following processes?
Cell Death
Cell Division
The release of another signaling molecule.
None of the above.

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