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Biochemistry Flashcards

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71129154353 bases upstream of start codon (AUG)RCC where R = A or G plays a key role in the initiation process0
7112918376Kozak consensusGcc Gcc Rcc AUGG1
7113019868substrate with fastest glycolytic rate & why?Fructose-1-phosphate bypass PFK-1, one of the regulating steps F1P -- Aldolase B --> DHAP & Glyceraldehyde DHAP -- Triose phosphate isomerase --> Glyceraldehyde-3-P Glyceraldehyde -- Triokinase --> Glyceraldehyde-3-P Glyceraldehyde-3-P --> pyruvate2
7113034444Cortisol increases the activity of which enzyme responsible in the catecholamine synthesisPhenylethanolamine-N-methyltransferase3
7113082268DNA pol III requiresRNA primer made from primase, a DNA-dependent RNA polymerase4
7113090859key defect in Hartnupneutral amino acid transporters (small intestine & PCT)5
7113091232Hartnup inheritance modeAR, inactivating mutations6
7113092764Hartnup supplementationhigh protein diet + Niacin / Nicotinamide7
7113103746PellagraVit B3 deficiency Diarrhea Dermatitis Dementia8
7113117515high [Sorbitol] is found in LuRKSLens: primarily Aldose Reductase Retina, Kidney, Schwann: only Aldose Reductase Glucose + NADPH -> Sorbitol (osmotically active)9
7113123292in other organs, Sorbitol gets converted toSorbitol + NAD+ -> Fructose Sorbitol DH10
7114209125hypoketotic hypoglycemia after prolonged fastingB-oxidation defect medium chain Acyl-CoA DH deficiency (most common)11
7121911068DNA pol Ilagging strand 5'-3' exonuclease (proof reading)12
7121911069DNA pol IIIleading strand 3'-5' exonuclease (proof reading)13
7121938729Alkaptonuria pathway defectTyrone (tyrosine) the Homie (homogentisate) works out at the(HADO enzyme dfx) Maley (Maleyacetoacetate) Fitness (Fumarylacetoacetate -> Fumarate) Center (TCA)14
7122272057F6P -> F26BPinsulin15
7122274114F26BP -> F6Pglucagon16
7122414103Glutamine + CO2 + 2ATP-> carbamoyl phosphate CPS II, cytosol first step of de novo pyrimidine synthesis17
7122523335PKA activates which 2 enzyme in glycogen metabolismGlycogen synthase (glycogenesis) Glycogen phosphorylase (glycogenolysis)18
7122525582Regulation of glycogen phosphorylase (glycogenolysis)+P: activated (glucagon) -P: deactivated (insulin)19
7122529381phosphorylation favorscatabolism20
7122558391glycogen storage dz (all AR) hypoglycemia not resolved by exogenous glucagon or epinephrine administrationvon gierke's - type I glycogen-6-phosphatase (liver)21
7122563345glycogen storage dz (all AR) fatal, especially bad for the heartpompe - type II a1-4 glucosidase22
7122571409glycogen storage dz (all AR) accumulation of short chain branched glycogen, some exercise intolerance, more mildcori - type III a1-6 glucosidase23
7122576668glycogen storage dz (all AR) exercise intolerance, elevated creatinine kinase & aldolasemcardle - type IV glycogen phosphorylase24
7122590335lipid retinal exudates pancreatitis xanthomas hepatosplenomegaly high chylomicronType I: dyslipidemia LPL & Apo-C II25
7122591709CAD corneal arcus xantho tendons & eyelids high LDLType II A: hypercholesterolemia LDL-R & ApoB-10026
7122593077CAD, PAD xanthomas high chylo & VLDL remsType III: dysbetalipoproteinemia ApoE27
7122593891increased risk of pancreatitis a/w obesity & diabetes high VLDLType IV: hypertriglyceridemia ApoA28

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