I can\'t find info in my book about Receptor-Ligand interaction, Scatchard analy

Question

I can't find info in my book about Receptor-Ligand interaction, Scatchard analysis, 2 components of response rate, and response rate of a hormone vs. a neurotransmitter:

"Be aware that Receptor-Ligand Interaction is a thermodynamic (equilibrium) phenomenon and the Response Rate is a kinetic (rate) phenomenon. Know that Scatchard analysis (similar to Michaelis-Menten enzyme kinetics analysis) can be used to determine the receptor-ligand dissociation constant and the number of receptors. Know the two components of response rate: Signal delivery & Target response. Compare the response rate of a hormone versus a neurotransmitter."

Explanation / Answer

hormone

It is an molecule which is can effect on other cells, organs or part of body. It is released by a cell or gland of one part of body. It is used as messenger which transmit information to self or other parts of body.

neurotransmitters

These are released by neurons which effects other cells across through synapse.

Comparison:

When we compare response rate of neurotransmitter to hormone, we can find that nervous system acts faster compared to hormones. As neurons has response rate due to it utilizes stimuli, and action potential. However its response time is very short lived.

Response rate by hormones is slower than neurotransmitter but we can see that its response is for long time. Hormones are secreted into blood circulatory system which takes them to target organs.

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