SUBSTRATE CONCENTRATION EXPERIMENT (km and vmax values)

see attached for problem.

2 questions relating to lactate dehydrogenase and Disulfiram (Antabuse®), latter question relates to isoforms and former relates to enzyme reaction.

Questions 1 - The enzyme loctate dehydrogenase (LDH) is present in all tissues as a catalyst of anaerobic glycolysis. It has 5 isoforms, describe these isoforms and how they can be used in differential diagnostic tests. 2 - Disulfiram (Antabuse®) is a drug used in the treatment of alcoholism. What enzyme reaction does this drug affect and why does it leave the patient feeling ill? the above questions only need to be about half of page for each question. thank you.

How Quinhydrone Solution Acts as Inhibitor for Enzyme Urease

Attached is a copy of a practical I carried out. I need to know how exactly the quinhydrone solution, which we added after 30 minutes, inhibits the enzyme urease . I would greatly appreciate an help you can offer.

OXIDATION

What happens when butter fat reacts with oxygen in the air? Is this process oxidation?

balance equation

give a chemical equation for the reaction of linoleic acid with bromide water