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