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Biochemistry Question Set 2

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    About the Lecture

    The lecture Biochemistry Question Set 2 by Lecturio USMLE is from the course Biochemistry – Board-Style Questions.


    Included Quiz Questions

    1. Homocysteine
    2. Cysteine
    3. Methionine
    4. Methyl-malonic acid
    5. Phenylalanine
    1. Uroporphyrinogen III
    2. Hydroxymethylbilane
    3. Porphobilinogen
    4. Protoporphyrin IX
    5. δ-Aminolevulinic acid
    1. Inhibition of Ferrochelatase
    2. Inhibition of ALA synthase
    3. Activation of glutathione
    4. Activation of ALA dehydratase
    5. Inactivation of uroporphyrinogen III cosynthase
    1. Decreased ALA synthesis
    2. Increased GABA production
    3. Increased homocysteine degradation
    4. Decreased methionine synthesis
    5. Inhibition of ferrochelatase
    1. Hepcidin
    2. α1-antitrypsin
    3. Transferrin
    4. Ceruloplasmin
    5. Pyridoxine
    1. Decreased conjugation by bilirubin uridine diphosphate glucuronyl transferase
    2. Decreased hepatic uptake of unconjugated bilirubin
    3. Decreased transport into bile canaliculi
    4. Bile duct obstruction
    5. Increased hemolysis
    1. Deficiency of uridine monophosphate synthase
    2. Activation of inosine monophosphate dehydrogenase
    3. Overactivity of uridine monophosphate synthase
    4. Inhibition of carbamoyl phosphate synthetase II
    5. Deficiency of cobalamin
    1. Inhibits xanthine oxidase
    2. Activates adenosine monophosphate (AMP) deaminase
    3. Activates inosine monophosphate (IMP) dehydrogenase
    4. Inhibits renal clearance of uric acid
    5. Increases renal clearance of uric acid
    1. Adenosine deaminase deficiency
    2. Purine nucleoside phosphorylase deficiency
    3. Hypoxanthine-guanine phosphoribosyl transferase (HGPRT) deficiency
    4. HIV infection
    5. Adenosine kinase deficiency
    1. Negatively birefringent crystals
    2. Normal
    3. White Blood Cell count > 50,000/ mm^3
    4. Positively birefringent crystals
    5. Glucose < 40 mg/dl
    1. Paternal chromosomal deletion
    2. Maternal chromosomal deletion
    3. Autosomal Trisomy
    4. Paternal Disomy
    1. Scoliosis
    2. Alzheimer’s disease
    3. Diabetes mellitus
    4. Obesity
    1. Wilms tumor
    2. Scoliosis
    3. Diabetes mellitus
    4. Alzheimer’s disease
    1. 4 %
    2. 32 %
    3. 20 %
    4. 64 %
    1. X-chromosome monosomy
    2. 45XX, t(14;21)
    3. 47 XXY
    4. 21-hydroxylase deficiency
    5. Trisomy 21
    1. Nonsense mutation in DMD gene
    2. Missense mutation in DMD gene
    3. Nonsense mutation in DMPK gene
    4. Missense mutation in β–thalassemia gene
    1. 50 %
    2. 25 %
    3. 75 %
    4. 0 %
    1. Inhibit dihydrofolate reductase
    2. Inhibit dihydroorotate dehydrogenase
    3. Inhibit thymidylate synthase
    4. Inhibit ribonucleotide reductase
    5. Inhibit xanthine oxidase
    1. Purine nucleoside phosphorylase
    2. Inosine monophosphate dehydrogenase
    3. Ribonucleotide reductase
    4. Dihydrofolate reductase
    5. Orotate phosphoribosyltransferase
    1. RNA polymerase II
    2. RNA polymerase I
    3. RNA polymerase III
    4. DNA gyrase
    5. Topoisomerase II
    1. Collagen type IV
    2. Collagen type I
    3. Collagen type II
    4. Collagen type III
    5. Collagen type V
    1. Clathrin
    2. COPI
    3. COPII
    4. Sar1
    5. Kinesin
    1. CTG
    2. CGG
    3. GAA
    4. CGT
    5. CAG
    1. Measurement of erythrocyte glutathione reductase activity
    2. Measurement of erythrocyte transketolase activity
    3. Measurement of erythrocyte glutamic oxaloacetic transaminase activity
    4. Measurement of erythrocyte folate levels
    5. Measurement of serum methylmalonic acid levels
    1. Citrate
    2. Acetyl CoA
    3. Adenosine diphosphate
    4. Acetate
    5. Adenosine monophosphate
    1. Thiamine
    2. Riboflavin
    3. Niacin
    4. Vitamin C
    5. Folic acid
    1. Hydroxylation of lysine and proline residues in collagen synthesis
    2. Component of visual pigment, rhodopsin.
    3. Cofactor in carboxylase reactions
    4. Gamma-carboxylation of glutamate residues in clotting factors
    5. Precursor of serotonin
    1. TATA Box
    2. CAAT Box
    3. DNA methyltransferase
    4. Small nuclear ribonucleoprotein (SnRNPs)
    5. RNA polymerase II
    1. 30%
    2. 10%
    3. 20%
    4. 40%
    5. 60%
    1. Cystathionine synthase
    2. Phenylalanine hydroxylase
    3. Branched chain ketoacid dehydrogenase
    4. Homogentistae oxidase
    5. Hydroxymethylbilane (HMB) synthase
    1. Methylmalonyl – CoA
    2. Homocysteine
    3. Cysteine
    4. Methionine
    5. Succiny – CoA
    1. Missense
    2. Silent
    3. Nonsense
    4. Chromosomal deletion
    5. Frame shift
    1. Binds to a nuclear receptor
    2. Increases activity of phospholipase C
    3. Activates tyrosine kinase
    4. Increases cyclic adenosine monophosphate (cAMP)
    5. Increases intake of iodine by thyroid cells
    1. Leukotrienes
    2. Histamine
    3. Bradykinin
    4. Endorphins
    5. Serotonin
    1. Methionine
    2. Alanine
    3. Aspartic acid
    4. Glutamic acid
    5. Serine
    1. Duchenne muscular dystrophy
    2. Sickle cell disease
    3. Huntington’s disease
    4. Alkaptonuria
    5. Hereditary spherocytosis
    1. Fructose-1,6-bisphosphatase
    2. Glyceraldehyde 3P dehydrogenase
    3. Enolase
    4. Glucose 6P dehydrogenase
    5. Glycogen phosphorylase
    1. Huntington’s disease
    2. Von Hippel-Lindau disease
    3. Neurofibromatosis
    4. Wilson disease
    5. Homocystinuria

    Author of lecture Biochemistry Question Set 2

     Lecturio USMLE

    Lecturio USMLE


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