Overview of Signaling Molecules is a part of the VCE Biology area of study ‘How Do Cellular Processes Work?’ and subtopic ‘Cellular Signals’. Cell signaling turns on and off genes in a cell. This is usually in response to changes in the external or internal environment, which is also called a stimulus.Â
What is Cell Signaling?
Watch this video to an introduction to the concept.
What are some Common Signaling Pathways?
This video goes through concepts such as G-protein coupled receptors and enzyme-coupled receptors.
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