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- Which of the following compounds is derived from arachidonic acid with the help of the enzyme lipooxygenases? Leukotrienes Thromboxanes Prostaglandins Saturated fatty acidsWhich of following is purely Ketogenic amino acid? a. Tyrosine b. Leucine c. Phenylalanine d. TryptophanWhat is the mode of action of hydrocholathiazide? A) Where, physiologically speaking, does it work. Be as complete as possible including cells, receptors, etc involved.
- Which of the following is false about chymotrypsin? A Hydrolytic cleavage of a peptide bond by chymotrypsin involves two nucleophilic attacks to the substrate B It is activated in the presence of trypsin C It is synthesized in the thyroid gland D Polypeptide chains in chymotrypsin are linked by S-S bondsWhat is the relative activity of the following mineralocorticoid drugs? A. A>C>B>D B. A>B>C>D C. C>A>D>B D. D>C>B>A E. C>B>A>DExplain using 2-3 sentences the biological significance of the following peptides . Glucagon Insulin Glutathione Ceruloplasmin Oxytocin
- The synthesis of phosphatidylcholine from phosphatidylethanolamine requires: a. Tetrahydrofolate b. Glycine c. Choline d. S-AdenosylmethionineWhich functional group is not contained in prostaglandin E1?* ketone secondary alcohol tertiary alcohol carboxylic acid alkeneWhich doesn't under go decarboxylation a. Trypsin b.S-adenosyl methionine c.Dopamine d. Histidine
- The formation of the acyl-enzyme complex in chymotrypsin is through a ------------- reaction between.Acetoacetate is mostly formed from fatty acids in the: Adipocytes Intestinal epithelia Neurocytes Hepatocytes MyocytesWhich of the following is not amphipathic? ceramide glycerol phosphatidylcholine galactocerebroside