Multiple Choice
Signaling molecules work only through signaling cascades.
14. Cell Signaling
Overview of Signaling Molecules
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Which of the following is not a classification of signaling molecules?
A
Autocrine
B
Paracrine
C
Endocrine
D
Lyoncrine
Verified step by step guidance1
Understand the concept of signaling molecules: Signaling molecules are chemicals that transmit information between cells. They can be classified based on the distance over which they act.
Define autocrine signaling: In autocrine signaling, cells respond to signaling molecules that they themselves produce. This type of signaling is often involved in self-regulation.
Define paracrine signaling: Paracrine signaling involves signaling molecules that affect nearby cells. These molecules diffuse over short distances to reach their target cells.
Define endocrine signaling: Endocrine signaling involves hormones that are released into the bloodstream and can affect cells at distant sites in the body.
Identify the term that does not fit: Compare the given options with the definitions of known signaling types. 'Lyoncrine' does not match any recognized classification of signaling molecules, making it the correct answer.
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