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Allopurinol is a structural isomer of hypoxanthine (a naturally occurring purine in the body) and is an enzyme inhibitor, inhibiting xanthine oxidase. Xanthine oxidase is responsible for the successive oxidation of hypoxanthine and xanthine resulting in the production of uric acid, the product of human purine metabolism. In addition to blocking uric acid production, inhibition of xanthine oxidase causes an increase in hypoxanthine and xanthine, which are converted to closely related purine ribotides adenosine and guanosine monophosphates. Increased levels of these ribotides causes feedback inhibition of amidophosphoribosyl transferase, the first and rate-limiting enzyme of purine biosynthesis. Allopurinol therefore decreases both uric acid formation and purine synthesis. (source wikipedia)
What else can I help you with?
What is the effect of uric acid on milk?
if you are asking about uric acid pains, milk acts as a pain-stopping agent, but it does not have a positive affect about stopping the actual acid pain, and it may make it worse. if you are talking about normal function, it is healthy.
Who acts Will Merlin's friend in Merlin?
The person who acts as Merlin's friend Will is: Joseph Dempsie
The first Earth Day inspired the US Congress to pass several environmental acts into law What three well-known acts did Congress Pass?
The first Earth Day inspired the U.S. Congress to pass several environmental acts into law. What three well-known acts did Congress Pass?
Parliament passed the coercive acts after the Boston tea party?
The Intolerable Act:British parliament closed the pat of Boston harbordidn't allow MA to hold meetingcolonists had to go to court led by British officialnew Quartering act
Acts as a cushion at a joint?
cartilage
What happen in a bronoted lowry acid base reaction?
In a Brønsted-Lowry acid-base reaction, a proton (H+) is transferred from the acid to the base. The acid acts as a proton donor, while the base acts as a proton acceptor. This proton transfer results in the formation of a conjugate base from the acid and a conjugate acid from the base.
What is the reaction between ammonia and sulfuric acid?
The reaction between ammonia (NH3) and sulfuric acid (H2SO4) produces ammonium sulfate [(NH4)2SO4]. This reaction is an acid-base neutralization reaction where ammonia acts as a base and sulfuric acid as an acid, resulting in the formation of a salt.
How are salts formed in amine solution?
Salts in amine solutions are formed through the reaction of amines with acids. When an amine, which is a basic compound, reacts with an acid, it accepts a proton (H+) from the acid, resulting in the formation of an ammonium ion. This ammonium ion then combines with the anion from the acid, leading to the formation of an amine salt. The process is an example of acid-base neutralization, where the amine acts as a base.
What happens in a Bronsted LOwry base reaction?
An acid donates an H+, and a base accepts an H+. - Apex
What is the chemical reaction when cyclohexanol react with acid sulphuric?
The reaction between cyclohexanol and sulfuric acid typically results in dehydration, forming cyclohexene. The sulfuric acid acts as a catalyst to remove a water molecule from the cyclohexanol molecule, leading to the formation of the alkene product.
Did The Intolerable Acts cause the formation of the Continental navy?
Yes, the Intolerable Acts resulted in the formation of the Continental Navy.
Did The Intolerable Acts caused the formation of the Continental Navy?
Yes, the Intolerable Acts resulted in the formation of the Continental Navy.
Did Intolerable Acts caused the formation of the Continental Navy?
Yes, the Intolerable Acts resulted in the formation of the Continental Navy.
Did Intolerable Acts cause the formation of the Continental Navy?
Yes, the Intolerable Acts resulted in the formation of the Continental Navy.
Why is it that nitric acid is used in gmelin's test?
Nitric acid is used in Gmelin's test to detect the presence of manganese in a sample. The reaction involves the formation of a green precipitate of manganese dioxide, which indicates the presence of manganese.
WHAT ARE the structures of the products of the neutralization reaction between pyridine and propanoic acid.?
The neutralization reaction between pyridine (a basic heterocyclic compound) and propanoic acid (a carboxylic acid) results in the formation of pyridinium propanoate. In this reaction, pyridine acts as a base and accepts a proton from propanoic acid, leading to the formation of the pyridinium ion (C5H5NH⁺) and the propanoate ion (C2H5COO⁻). The products are thus pyridinium propanoate, which consists of the pyridinium cation and the propanoate anion.
What role does sulfuric acid play in the Fischer esterification process?
Sulfuric acid acts as a catalyst in the Fischer esterification process, facilitating the reaction between a carboxylic acid and an alcohol to form an ester. It helps in protonating the carbonyl group of the carboxylic acid, making it more reactive towards the alcohol, leading to the formation of the ester.
