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97) The following metabolite A) is the active agent in coffee B) is the major ex

ID: 697510 • Letter: 9

Question

97) The following metabolite A) is the active agent in coffee B) is the major excreted catabolite of adenine C) is a storage form of urea D) is conjugated biotin E) is used as a ETC inhibitor 98) The following metabolite A) is fully formed and active heme B) is chlorophyll A C) is pheophytin, an electron carrier in photosystem II D) is plastoquinone E) part of leghemoglobin 99) Two enzymes are required to "straighten out" odd chain fatty acid oxidation. These are A) methylmalonyl-CoA epimerase / methyl malonyl-CoA mutase B) succinyl-CoA synthetase /carnitine acyltransferase C) HMG-CoA synthase /prenyl transferase D) glutaredoxin/thioredoxin E) dihydrofolate reductase/serine hydroxymethyl transferase 100) The following metabolite A) is occasionally called ethyl hydroxide B) is product of alcohol dehydrogenase C) generated by anaerobic fermentation D) produced on a vast industrial scale E) all of the above H-C-C-

Explanation / Answer

Ans 97 C) is a storage form of urea

The molecule structure shown is of compound uric acid.

Its chemical formula is C5H4N4O3.

It is produced as a metabolic breakdown of purine molecules in the body.