EA1 and 2 Flashcards

1
Q

____ is the active component in Benedict’s Reagent

A

copper sulfate

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2
Q

____ is the storage form of carbohydrates in plants

A

starch

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3
Q

___ is the active component present in Molisch Reagent

A

alpha-naphthol

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4
Q

_ is the active component present in Mucic acid Reagent

A

nitric acid

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5
Q

____ is the active component present in Barfoed’s Reagent

A

copper acetate

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6
Q

The test for the presence of ketohexoses is

A

Seliwanoff’s test

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7
Q

Branched polysaccharides contain

A

Alpha 1,6 linkage

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8
Q

All are isomeric monosaccharides except

A

sucrose

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9
Q

The active ingredient present in Seliwanoff’s test is

A

Resorcinol

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10
Q

The test that is specific for the presence of pentoses is

A

Bial’s test

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11
Q

The most abundant biopolymer in nature is

A

Cellulose

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12
Q

The reactive ingredient present in Bial’s reagent is

A

Orcinol

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13
Q

The chemical bond between carbohydrate molecules is called

A

Glycosidic

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14
Q

The test that is specific for the presence of galactose is

A

Mucic acid test

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15
Q

a test that detects the presence of reducing sugars

A

Benedict’s test

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16
Q

a non reducing sugar

A

sucrose

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17
Q

test detecting the presence of galactose

A

Mucic Acid Test

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18
Q

a test that differentiate glucose from maltose

A

Barfoed’s test

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19
Q

a test that detects the presence of starch

A

Iodine test

20
Q

predominant sugar in the blood

21
Q

a test that differentiates mannose from ribose

A

Bial’s test

22
Q

a test that differentiates glucose from fructose

A

Seliwanoff’s test

23
Q

a sugar that contains beta 1-4 linkage

24
Q

a test that detects the presence of carbohydrates

A

Molisch test

25
The sugar present in nucleic acids is
ribose
26
The storage form of glucose in humans and other vertebrates is v
glycogen
27
all are protective proteins except
collagen
28
is the wavelength in nanometer used in spectrophotometric of proteins
280
29
is a catalyst used in Kjeldahl Method
copper sulfate
30
is an amino acid responsible for uv absorption of proteins
tryptophan
31
is the word that stands for “I” in ELISA
Immunosorbent
32
is the active component present in Lowry’s reagent
Phosphotungstic Acid
33
ELISA test meaning
Enzyme Linked Immunosorbent Assay Test
34
These proteins are soluble in water and dilute acid but are not coagulated by heat
protamine
35
Beta-pleated sheet is the major structural motif in the following proteins except
keratin
36
All are classification of proteins based on function except
globular proteins
37
In the Kjeldahl procedure for protein determination, the acid used is
sulfuric acid
38
The three dimensional structure of a protein refers to the
tertiary structure
39
Proteins that have high affinity to sugar groups
lectin
40
measures the quantity of nitrogen originally present in the protein
Kjeldahl's method
41
measurement of scattered light at 180 degrees angle
turbidimtery
42
responsible for keeping enzymes in active state
glutathione
43
uv light absorbance of test protein solution
spectrophotometric estimation
44
based on reduction of phosphomolybdic acid
lowry's method
45
This protein structure denotes the configurational relationship between residues which are about 3-4 amino acids apart in the linear sequence
secondary structure
46
The number of amino acids present in an oxytocin oligopeptide is
9
47
In order to convert weight of nitrogen to weight of protein, the weight of nitrogen has to be multiplied by
6.25