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Biochemistry Flashcards

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6903170313Sweet tasteGlycine, alanine, valine, tryptophan, histidine, proline0
6903170314TastelessLeucine1
6903170315BitterIsoleucine, arginine2
6903170316Flavoring agentSodium glutamate3
6903170317Artificial sweetenerAspartame (aspartic acid+ phenylalanine)4
6903170318ninhydrin reaction is adopted for1-qualitative estimation of AA 2-quantitative estimation of AA 3-used for detection of AA in chromatography5
6903170319TransaminationImportant reaction in the body for synthesis of non-essential amino acids6
6903170320Formation of carb amino compoundServes as a mechanism for transport of CO2 from tissues to the lungs by hemoglobin7
6903170321Serine and threonineInvolved in formation of phosphoproteins8
6903170322Glutathione (GSH)•an important antioxidant •tripeptide formed of glutamic acid+ cysteine+ glycine •it is a gamma glutamyl-cysteinyl-glycine •GSH is a reduced glutathione. GSSH oxidized glutathione9
6903170323BradykininIt is a short polypeptide having a hypotensive effect10
6903170324ACTH (adrenocorticotropic hormone)It is a polypeptide hormone containing 39 amino acids11
6905538356NucleosomeConsists of about 140 bp of DNA wrapped around a histone core12
6905538357cell cycleThe sequence of events through which a cell duplicates its genome, grows and divides into two daughter cells13
6905538358RPAReplication protein A which binds to the single strand DNA to prevent reannealing. It also protects the single stranded regions from hydrolysis by nucleases.14
6905538359RNA polymerase ITranscribes most but not all ribosomal RNA genes15
6905538360RNA polymerase IITranscribes mRNA (protein encoding genes)16
6905538361RNA polymerase IIITranscribes tRNA genes17
690553836240 S18 S rRNA & 33 different proteins18
690553836360 S28 S, 5.8 S and 5 S rRNA & 49 different proteins19
6905538364Sedimentation coefficient (S)Svedberg unit: related to both molecular weight and shape of particle20
6905538365Post transcriptional modifications of eukaryotic hnRNA-capping the 5' end -polyadenylation of the 3' end -splicing the exons21
6905538366IntronsLengthy portions of intervening sequences that do not code for protein22
6905538367ExonAny part of the primary transcript that is retained in the mature mRNA molecule23
6910413107LDH-1Heart muscle and RBCs24
6910413108LDH-2Concentrated in heart muscle and RBCs25
6910413109LDH-3Highest concentration in brain and kidney26
6910413110LDH-4Highest concentration in kidney placenta and pancreas27
6910413111LDH-5Highest in liver and skeletal muscle28
6910469213Pro enzymes or zymogensEnzymes synthesized in catalytically inactive form29
6920930491Amide group of glutamineServes as a source of nitrogen for nucleic acid synthesis30

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