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If you have known the maxiuam response caused by the against, is it possible to calculate...

If you have known the maxiuam response caused by the against, is it possible to calculate the affinity of the against and the receptor？
Science   Anatomy-And-Physiology   
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Answer #1

No,

Explanation:

  1. Affinity is the tightness with which the agonist binds to the receptor.
  2. Efficacy is the maximum response achieved by drug ( agonist ) and receptor interaction.
  3. Therefore, from the maximum response, we can understand the efficacy of the drug.
  4. Some drugs have high affinity but low efficacy. In other words, they bind strongly to the receptor but produce no effect. they are called antagonists.
  5. Some drugs bind to the receptor and produce and effect they are called agonist.
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