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BIOCHEMISTRY

Board exam

BIOCHEMISTRY
46問 • 1年前Board exam
  • Louie Mar Enriquez
    • 通報

    問題一覧

  • 1

    All of the following are simple proteins except:

    glycoproteins

  • 2

    The simplest monosaccharide is

    glyceraldehydes

  • 3

    High concentration of neutral salts causes the ppt of proteins. This is called?

    salting out

  • 4

    Which of the following amino acids has no alpha amino group?

    proline and hydroxyproline

  • 5

    Iodine test is a rxn which may be used to identify carbohydrates. The rxn is due to?

    presence of amylose portion

  • 6

    The conversion of amino acid to sugar is:

    gluconeogenesis

  • 7

    Glucose is stored in the liver as:

    glycogen

  • 8

    The process of converting glucose into glycogen is called:

    glycogenesis

  • 9

    A hormone which stimulates glycogenesis:

    insulin

  • 10

    It is a model which best explains the enzyme substrate action:

    lock and key

  • 11

    It is the enzyme which hydrolizes starch to dextrin and maltose:

    amylase

  • 12

    The condition that lowers th pH of the blood due to starvation is called

    acidosis

  • 13

    Substance responsible for the emulsion of fats is:

    bile acids

  • 14

    Cerebroside are positive in the ff test, EXCEPT:

    Biuret test

  • 15

    The most sensitive chemical test To detect the presents of cholesterol:

    Lieberman Burchard

  • 16

    Specific test for galactose due to the formation of highly insoluble crystals:

    mucic acid

  • 17

    Type of RNA which serves as template for the amino acid sequence being synthesized:

    mRNA

  • 18

    Differentiating test between helical and linear polysaccharides:

    iodine

  • 19

    The following protiens are present in egg white EXCEPT:

    osseomucoid

  • 20

    Ketogenic amino acids

    all of the choices

  • 21

    The following are neutral amino acids , EXCEPT:

    lysine

  • 22

    In man the principal end product of protein metabolism is:

    urea

  • 23

    Oxidation product of ketone bodies

    carbon dioxide

  • 24

    Amino acids positive for Sakaguchi reaction:

    arginine

  • 25

    Principle involved in the isolation of casein milk:

    isometric precipitation

  • 26

    Process of converting liver glycogen into blood glucose:

    glycogenolysis

  • 27

    The chief end product of purine metabolism in man:

    uric acid

  • 28

    The principal end product of protein metabolism

    urea

  • 29

    What is wobble?

    the ability of certain antibodies to pair with codes that differ at the third base

  • 30

    The lipid that is converted to vit D2 upon irradiation:

    ergosterol

  • 31

    The metabolic degradation of hemoglobin takes place principally in:

    the reticuloendothilial system

  • 32

    The amino acid that is an important precursor of hemoglobin is:

    glycine

  • 33

    Ninhydrin gives a blue coloration with

    amino acids

  • 34

    Which is the monomer unit of proteins?

    amino acid

  • 35

    The following are examples of chromoprotein, EXCEPT:

    heparin

  • 36

    Which of the following amino acid has a net positive charge at physiologic pH?

    lycine

  • 37

    Sickle cell anemia is the clinical manifestation of homozygous genes for an abnormal hemoglobin molecule. The mutation event responsible for mutation in the beta chain is:

    point mutation

  • 38

    When starches are heated, they produce

    dextrins

  • 39

    The reducing property of sugars is due to this group:

    aldehyde

  • 40

    Ketose can be differentieted from aldoses by this test

    Seliwanoff's test

  • 41

    Polymers that are responsible for the metabolic capabilities and morphology of organism are:

    proteins

  • 42

    Butter becomes rancid upon exposure to air due to formation of

    butyric acid

  • 43

    Cellular elements of the blood devoid of nucleus:

    RBC

  • 44

    The major buffer of the extracellular fluid:

    bicarbonate carbon dioxide

  • 45

    Glycolipids found in high concentrations in the brain and nerve cella especially in the myelin sheath:

    cerebrosides

  • 46

    The following sugars are aldohexoses EXCEPT:

    fructose

    • GERIATRICS

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    BLS 1

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    問題一覧

  • 1

    All of the following are simple proteins except:

    glycoproteins

  • 2

    The simplest monosaccharide is

    glyceraldehydes

  • 3

    High concentration of neutral salts causes the ppt of proteins. This is called?

    salting out

  • 4

    Which of the following amino acids has no alpha amino group?

    proline and hydroxyproline

  • 5

    Iodine test is a rxn which may be used to identify carbohydrates. The rxn is due to?

    presence of amylose portion

  • 6

    The conversion of amino acid to sugar is:

    gluconeogenesis

  • 7

    Glucose is stored in the liver as:

    glycogen

  • 8

    The process of converting glucose into glycogen is called:

    glycogenesis

  • 9

    A hormone which stimulates glycogenesis:

    insulin

  • 10

    It is a model which best explains the enzyme substrate action:

    lock and key

  • 11

    It is the enzyme which hydrolizes starch to dextrin and maltose:

    amylase

  • 12

    The condition that lowers th pH of the blood due to starvation is called

    acidosis

  • 13

    Substance responsible for the emulsion of fats is:

    bile acids

  • 14

    Cerebroside are positive in the ff test, EXCEPT:

    Biuret test

  • 15

    The most sensitive chemical test To detect the presents of cholesterol:

    Lieberman Burchard

  • 16

    Specific test for galactose due to the formation of highly insoluble crystals:

    mucic acid

  • 17

    Type of RNA which serves as template for the amino acid sequence being synthesized:

    mRNA

  • 18

    Differentiating test between helical and linear polysaccharides:

    iodine

  • 19

    The following protiens are present in egg white EXCEPT:

    osseomucoid

  • 20

    Ketogenic amino acids

    all of the choices

  • 21

    The following are neutral amino acids , EXCEPT:

    lysine

  • 22

    In man the principal end product of protein metabolism is:

    urea

  • 23

    Oxidation product of ketone bodies

    carbon dioxide

  • 24

    Amino acids positive for Sakaguchi reaction:

    arginine

  • 25

    Principle involved in the isolation of casein milk:

    isometric precipitation

  • 26

    Process of converting liver glycogen into blood glucose:

    glycogenolysis

  • 27

    The chief end product of purine metabolism in man:

    uric acid

  • 28

    The principal end product of protein metabolism

    urea

  • 29

    What is wobble?

    the ability of certain antibodies to pair with codes that differ at the third base

  • 30

    The lipid that is converted to vit D2 upon irradiation:

    ergosterol

  • 31

    The metabolic degradation of hemoglobin takes place principally in:

    the reticuloendothilial system

  • 32

    The amino acid that is an important precursor of hemoglobin is:

    glycine

  • 33

    Ninhydrin gives a blue coloration with

    amino acids

  • 34

    Which is the monomer unit of proteins?

    amino acid

  • 35

    The following are examples of chromoprotein, EXCEPT:

    heparin

  • 36

    Which of the following amino acid has a net positive charge at physiologic pH?

    lycine

  • 37

    Sickle cell anemia is the clinical manifestation of homozygous genes for an abnormal hemoglobin molecule. The mutation event responsible for mutation in the beta chain is:

    point mutation

  • 38

    When starches are heated, they produce

    dextrins

  • 39

    The reducing property of sugars is due to this group:

    aldehyde

  • 40

    Ketose can be differentieted from aldoses by this test

    Seliwanoff's test

  • 41

    Polymers that are responsible for the metabolic capabilities and morphology of organism are:

    proteins

  • 42

    Butter becomes rancid upon exposure to air due to formation of

    butyric acid

  • 43

    Cellular elements of the blood devoid of nucleus:

    RBC

  • 44

    The major buffer of the extracellular fluid:

    bicarbonate carbon dioxide

  • 45

    Glycolipids found in high concentrations in the brain and nerve cella especially in the myelin sheath:

    cerebrosides

  • 46

    The following sugars are aldohexoses EXCEPT:

    fructose