AP Biology Lecture Guide: Chapter 11- Cell Communication
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1.
How do local regulators and hormones differ?
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2.
Identify and describe the three parts of cell signaling.
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3.
What are ligands and what do they do?
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4.
Identify the structure and the main purpose/function of the 3 main receptors.
G-protein
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Tyrosine-kinase
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Ligand-gated ion channel
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5.
Explain why G-protein-regualted pathways shut down rapidly in the absence of a signal molecule.
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6.
Give some examples of other signal receptors.
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7.
What are transcription factors?
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8.
What does a protein kinase do?
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9.
What does a protein phosphatase do?
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10. What is a phophorylation cascade?
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11. How does an enzyme cascade produce an amplified response to a signal molecule?
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12. What are secondary messengers? How do they work?
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13. What is CAMP?
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14. What are scaffolding proteins? How are they beneficial?
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15. What are the different types of cell responses that could occur?
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