217 Biochemistry The highest quantity of lipid and lowest concentration of protein are found in AChylomicrons (Correct Answer)BVery low density lipoproteinsCLow density lipoproteinsDHigh density lipoproteins
218 Biochemistry Rate limiting step in cholesterol synthesis is: AHMG CoA synthetaseBHMG CoA reductase (Correct Answer)CThiokinaseDMevalonate kinase
220 Biochemistry Which is denatured collagen in humans? AGelatin (Correct Answer)BHomocollagenCTropocollagenDNone
221 Biochemistry Which water soluble vitamin is synthesized in our body – ANiacin (Correct Answer)BFolic acidCCobalamineDPyridoxine
222 Biochemistry Thiamine deficiency causes decreased energy production because? AIt is required for the process of transaminationBIt is co-factor in oxidative reductionCIt is co-enzyme for transketolase in pentose phosphate pathwayDIt is co-enzyme for pyruvate dehydrogenase (Correct Answer)
223 Biochemistry Deficiency of which of the following enzymes is associated with Tyrosinosis: ATyrosine aminotransferaseB4-Hydroxyphenylpyruvate dioxygenaseCHomogentisate oxidaseDFumarylacetoacetate hydroxylase (Correct Answer)
224 Biochemistry Which of the following enzymes inhibit the production of cAMP? AGlucagonBAngiotensin II (Correct Answer)CACTHDBeta-Adrenergics
225 Biochemistry Retinitis pigmentosa patients doesn’t have:- ADHA (Correct Answer)BEicosa pentaenoic acidCArachidonic acidDTimnodonic acid