Answer:
The correct answer is Adrenocorticotropic hormone
Explanation:
Adrenocorticotropic hormone is a hormone from the anterior pituitary whose function is to stimulate the adrenal cortex (fasciculate and reticular areas); In other words, its biological function is to stimulate the secretion of cortisol. The ACTH test is used as an indicator of pituitary function and is useful in the differential diagnosis of: Addison's disease,Congenital adrenal hyperplasia,Cushing's syndrome.ACTH secretion is pulsatile and shows a diurnal variation in plasma concentrations, being maximum at approximately 8:00 am and minimum at midnight. ACTH secretion increases with stress.
In an 1H NMR spectrum, the signal for vinyl proton is generally more downfield than an alkyl proton because the additional magnetic field created by the π electrons causes the nearby protons to resonate at a higher frequency.
<h3>What is meant by NMR? </h3>
NMR stands for nuclear magnetic resonance. In this technique, various molecules are studied by studying the interactions of their nucleus with electromagnetic radiations and then recording their radiofrequency.
The nuclei in this case are placed in a strong magnetic field.
This effect was discovered by Zeeman. It is used to study the magnetic properties of nuclei of certain atoms so that they can be appropriately utilized.
Therefore, In a 1H NMR spectrum, the vinyl proton signal is more downfield than an alkyl proton because the additional magnetic field created by the π electrons causes the nearby protons to resonate at a higher frequency.
Read more about NMR, here
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