Chapter 14. Chapter 14
Introduction
Problem-Solving Video Assessment
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Chapter 14 Problem-Solving Video Assessment
You have discovered a new cell-surface receptor (receptorX) that you believe binds to either insulin or epidermal growth factor (EGF). To differentiate between the two ligands, you radiolabel each ligand to a specific activity of 4 x 107 cpm per micromole. You then perform ligand–receptorX binding experiments in your cell line and generate the following counts of cell-bound radioactivity:
| insulin | EGF | |
|---|---|---|
| Radioactive ligand alone | 5563 cpm | 6012 cpm |
| Radioactive ligand + 1000-fold excess unlabeled ligand | 237 cpm | 5874 cpm |
Table
Question 14.1
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_feedback_correct: Correct.
_feedback_incorrect: Incorrect.
Question 14.2
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_feedback_correct: Correct.
_feedback_incorrect: Incorrect.
Question 14.3
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_feedback_correct: Correct.
_feedback_incorrect: Incorrect.
Question 14.4
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_feedback_correct: Correct.
_feedback_incorrect: Incorrect.
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