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Definition
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Term
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Definition
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Term
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Definition
| Chemicals used for long-distance signaling |
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Term
| Three Stages of Cell Signaling |
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Definition
| Reception, Transduction, Response |
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Term
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Definition
| Signal molecule bind to receptor protein causing its shape to change |
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Term
| 3 main types of membrane receptors |
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Definition
1. G protein-coupled receptors
2. Receptor tyrosine kinases
3. Ion channel receptors |
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Term
| Receptor Tyrosine Kinases |
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Definition
| Membrane receptors that attach phosphates to tyrosines |
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Term
| 2 components of receptor tyrosine kinases |
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Definition
1. A Kinase
2.a seperate relay protein |
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Term
| Benefits of multiple-step signal transduction |
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Definition
-can amplify a signal
-more opportunities for regulation |
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Term
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Definition
| Transfer phosphates from ATP to a protein |
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Term
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Definition
| Remove phosphates from proteins |
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Definition
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Definition
| an enzyme that converts ATP to cAMP in response to an extracellular signal |
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Term
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Definition
What cAMP usually activates
It phosphorilates other proteins |
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Term
| Ways in which intracellular calcium can increase |
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Definition
1. facilitated diffusion through ion channels
2. The release of calcium from intracellular stores |
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Term
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Definition
| At each step, the number of activated products is much greater than in the preceding step |
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Term
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Definition
| Large relay proteins to which other relay proteins are attached |
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