Biochemistry

Learn the toughest concepts covered in Biochemistry with step-by-step video tutorials and practice problems by world-class tutors

12. Biosignaling

Introduction to Biosignaling

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Introduction to Biosignaling

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Introduction to Biosignaling

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Problem

A sample of cells has a total receptor concentration of 10 mM and a free ligand concentration of 15 mM. If 25% of the receptors are occupied with ligand under these conditions, calculate the receptor-ligand dissociation constant (Kd).

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Problem

Which hormone from the plot below shows the highest binding affinity for the receptor?

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Introduction to Biosignaling

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Problem

Which of the following statements regarding signal transduction pathways in cells is FALSE?

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Introduction to Biosignaling

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Problem

Why is the activation of a protein kinase an important step in signal transduction?

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Introduction to Biosignaling

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Introduction to Biosignaling

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