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PPC > 9 > Flashcards

9 Flashcards

1
Q

Are organic catalyst produced by living
organisms.

A

ENZYMES

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2
Q

They are themselves lifeless.

A

ENZYMES

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3
Q

Often occur in combination with inorganic
and organic substances that have an
important part in the catalytic action.

A

ENZYMES

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4
Q

non-protein organic compounds

A

COENZYMES

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5
Q

inorganic ions

A

ACTIVATORS

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6
Q

Names used to designate ensumes , usually end in___ or ___

A

ASE or IN

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7
Q

Are colloids and are soluble in water, diluted alcohol but are precipitated by concentrated alcohol.

A

ENZYMES

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8
Q

Most acts best at temperature between ____ and ____, temperature above ____ especially in the presence of moisture, usually completely destroy them.

A

35°C and 40°C, 65 °C

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9
Q

Certain heavy metals, formaldehyde and free iodine retard the enzymes activity.

A

ENZYMES

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10
Q

Major classes of enzymes

A

• OXIDOREDUCTASES
• TRANSFERASES
• HYDROLASES
• LIGASES
• LYASES
• ISOMERASES

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11
Q

Trivial Name :

Esterases

A

• CELLULASE
• DIASTASE
• GLUCOLURONIDASE
• HYALURODINASE
• INVERTASE
• MALTASE

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12
Q

Trivial Names:

Nucleases

A

• RIBONUCLEASE
• DEOXYRIBONUCLEASE
• NUCLEOPHOSPHATASE

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13
Q

Trivial Names:

Nuclein Diaminases

A

• ADENASE
• ADENOSINE DEAMINASE

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14
Q

Trivial Names:

Amidases

A

• ARGINASE
• UREASE

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15
Q

Trivial Names:

Proteolytic Enzymes

A

• PAPAIN
• PEPSIN
• TRYPSIN
• CHYMOTRYPSIN
• FIBRINOLYSIN

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16
Q

Important Enzymes

A

• AMYLOLYTIC ENZYMES
• ESTERASES
• PROTEOLYTIC ENZYMES
• OXIDIZING ENZYMES

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17
Q

Trivial Names

A

• ESTERASES
• NUCLEASES
• NUCLEIN DIAMINASES
• AMIDASES
• PROTEOLYTIC ENZYMES

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18
Q

Salivary diastase

A

PTYALIN

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19
Q

Pancreatic juice

A

AMYLOPSIN

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20
Q

Found in digestive tract of animals

A

AMYLOPSIN

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21
Q

Examples of Diastase and Amylase

A

• PTYALIN
• AMYLOPSIN

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22
Q

Germination of barley grains

A

MALT DIASTASE

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23
Q

Convert starch into maltose

A

MALT DIASTASE

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24
Q

Found in the yeast and in the intestinal juice.

A

INVERTASE or SUCRASE

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25
Q

Bring about in the hydrolysis of sucrose into glucose and fructose

A

INVERTASE or SUCRASE

26
Q

Also found in the yeast and in intestinal juice

A

MALTASE

27
Q

Causes the conversion of maltose into glucose

A

MALTASE

28
Q

Fermenting enzymes causing the conversion of monosaccharides (glucose, fructose) into alcohol and carbon dioxide.

A

ZYMASE

29
Q

Found in almonds

A

EMULSIN

30
Q

Causes the hydrolysis of β-glycosides, thus, amygdalin is hydrolyzed into glucose, benzaldehyde and hydrogen cyanide.

A

EMULSIN

31
Q

Found in white and black mustard.

A

MYROSIN

32
Q

Hydrolyzes Sinalbin and Sinigrin as well as other glycosides.

A

MYROSIN

33
Q

Examples of Amylolytic Enzymes

A

• DIASTASE and AMYLASE
• INVERTASE or SUCRASE
• ZYMASE
• EMULSIN
• MYROSIN

34
Q

Found in the pancreatic juice of animals and in oily seeds.

A

LIPASE

35
Q

Causes the hydrolysis of fats into glycerin and fatty acids.

A

LIPASE

36
Q

Splits pectin into pectic acid and methyl alcohol

A

PECTASE

37
Q

A lipolytic enzyme capable of digesting
dietary fat.

A

STEAPSIN

38
Q

Obtained from soybeans.

A

UREASE

39
Q

Use as a laboratory reagent for converting
urea to ammonia.

A

UREASE

40
Q

Examples of Esterases (Important Enzymes)

A

• LIPASE
• PECTASE
• STEAPSIN
• UREASE

41
Q

Found in the gastric juice.

A

PEPSIN

42
Q

Converts proteins into proteoses and peptones.

A

PEPSIN

43
Q

Formed when the proenzymes, trypsinogen is acted on by the enterokinase of the intestinal juices.

A

TRYPSIN

44
Q

Converts proteoses and peptones into
polypeptides and amino acids.

A

TRYPSIN

45
Q

Found in intestinal juices.

A

EREPSIN

46
Q

Converts proteoses and peptones into amino acids.

A

EREPSIN

47
Q

A coagulating enzyme present in the mucous membrane of the stomach of mammals.

A

RENNIN

48
Q

An active proteolytic enzymes found in the unripe fruits of papaya tree.

A

PAPAIN

49
Q

Use as meat tenderizer.

A

PAPAIN

50
Q

Examples of Proteolytic Enzymes

A

• PEPSIN
• TRYPSIN
• EREPSIN
• RENNIN
• PAPAIN

51
Q

Widely distributed in plants.

A

PEROXIDASE

52
Q

Bring about the oxidation reaction that causes the discoloration of bruised fruits.

A

PEROXIDASE

53
Q

Converts the fibrinogen of the circulating blood into the insoluble fibrin of the blood clot.

A

THROMBIN

54
Q

Essentially an oxidizing enzyme because the monosaccharide splits into oxidation.

A

ZYMASE

55
Q

Examples of Oxidizing Enzymes

A

• PROXIDASE
• THROMBIN
• ZYMASE

56
Q

As digestants.

A

PEPSIN, PAPAIN, PANCREATIN

57
Q

To facilitate the diffusion of injected fluids.

A

HYALURODINASE

58
Q

To dissolve clotted blood and purulent accumulation.

A

STREPTOKINASE, STREPTODORNASE

59
Q

Extensive in the fermentation and in cheese industries.

A

RENNIN, ZYMASE

60
Q

Inactivates various penicillin.

A

PENICILLINASE

PPC (8 decks)

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