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Cell Communication (Signaling) Part 3

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Presentation on theme: "Cell Communication (Signaling) Part 3"— Presentation transcript:

1 Cell Communication (Signaling) Part 3
AP Biology Cell Communication (Signaling) Part 3

2 Kinases “turn on” processes Phosphotases “turn off” processes

3 Small signal produces a BIG response

4 The Big picture Growth factor Reception Receptor Phosphorylation
cascade Transduction CYTOPLASM Inactive transcription factor Active transcription factor Response P DNA Gene NUCLEUS mRNA

5 Scaffolding Proteins Signal Plasma molecule membrane Receptor Three
different protein kinases Scaffolding protein

6 Tyrosine – Kinase Receptor (Evolution – Change over TIME)

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