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PPC D > enzymes > Flashcards

enzymes Flashcards

1
Q

Are organic catalyst produced by living organisms.

A

ENZYMES

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2
Q

Enzymes often occur in combination with ___ and ____ substances that have an important part in the catalytic action.

A

INORGANIC and ORGANIC

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3
Q

Are non-protein organic compounds

A

COENZYMES

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4
Q

Are inorganic ions

A

ACTIVATORS

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5
Q

Enzymes usually end in ASE or IN

A
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6
Q

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

A

ENZYMES

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7
Q

Most enzymes act best at temperature between _____, temperature above ____, especially in the presence of moisture, usually completely destroy them.

A

35°C and 40°C

65°C

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8
Q

These retard the enzymes activity.

A

CERTAIN HEAVY METALS
FORMALDEHYDE
FREE IODINE

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9
Q

Major Classes of Enzymes Classified by the Commission on Enzymes of the International Union of Biochemistry

A

❖ Oxidoreductases
❖ Transferases
❖ Hydrolases
❖ Ligases
❖ Lyases
❖ Isomerases

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10
Q

Trivial Names (Esterases)

A

▪ Cellulase
▪ Diastase
▪ Glucoluronidase
▪ Hyaluronidase
▪ Invertase
▪ Maltase

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11
Q

Trivial Names (Nucleases)

A

▪ Ribonuclease
▪ Deoxyribonuclease
▪ Nucleophosphatase

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12
Q

Trivial Names (Nuclein Diaminases)

A

▪ Adenase
▪ Adenosine Deaminase

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13
Q

Trivial Names (Amidases)

A

▪ Arginase
▪ Urease

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14
Q

Trivial Names (Proteolytic Enzymes)

A

▪Papain
▪Pepsin
▪Trypsin
▪Chymotrypsin
▪Fibrinolysin

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15
Q

Important Enzymes

A

▪Amylolytic Enzymes
▪The Esterases
▪The Proteolytic Enzymes
▪The Oxidizing Enzymes

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16
Q

Examples of Amylolytic Enzymes

A

▪Invertase or Sucrase
▪Diastase and Amylase
▪Zymase
▪Emulsin
▪Myrosin

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17
Q

Examples of The Esterases

A

▪ Pectase
▪ Lipase
▪ Urease
▪ Steapsin

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18
Q

Examples of The Proteolytic Enzymes

A

Pepsin
Erepsin
Trypsin
Rennin
Papain

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19
Q

Examples of The Oxidizing Enzymes

A

Peroxidase
Thrombin
Zymase

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20
Q

Known as salivary diastase

A

PTYALIN

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21
Q

Pancreatic Juice

22
Q

Found in the digestive tract of animals

23
Q

• Germination of barley grains
• Convert starch into maltose

A

MALT DIASTASE

24
Q

Found in the yeast and in the intestinal juice.

A

INVERTASE OR SUCRASE

25
Bring about in the hydrolysis of sucrose into glucose and fructose.
INVERTASE OR SUCRASE
26
• Also found in yeast and in intestinal juice. • Causes the conversion of maltose into glucose.
MALTASE
27
• Fermenting enzymes causing the conversion of monosaccharides (glucose, fructose) into alcohol and carbon dioxide.
ZYMASE
28
Found in almonds.
EMULSIN
29
Causes the hydrolysis of β-glycosides, thus, amygdalin is hydrolyzed into glucose, benzaldehyde and hydrogen cyanide.
EMULSIN
30
Found in white and black mustard
MYROSIN
31
Hydrolyzes Sinalbin and Sinigrin as well as other glycosides.
MYROSIN
32
Found in the pancreatic juice of animals and in oily seeds.
LIPASE
33
Causes the hydrolysis of fats into glycerin and fatty acids.
LIPASE
34
Splits pectin into pectic acid and methyl alcohol.
PECTASE
35
A lipolytic enzyme capable of digesting dietary fat.
STEAPSIN
36
Obtained from soybeans.
UREASE
37
Used as a laboratory reagent for converting urea to ammonia.
UREASE
38
Found in the gastric juice. • Converts proteins into proteoses and peptones.
PEPSIN
39
Formed when the proenzymes, trypsinogen is acted on by the enterokinase of the intestinal juices.
TRYPSIN
40
Converts proteoses and peptones into polypeptides and amino acids.
TRYPSIN
41
Found in intestinal juices. • Converts proteoses and peptones into amino acids.
EREPSIN
42
A coagulating enzyme present in the mucous membrane of the stomach of mammals.
RENNIN
43
An active proteolytic enzymes found in the unripe fruits of papaya tree.
PAPAIN
44
Used as meat tenderizer.
PAPAIN
45
Widely distributed in plants. • Bring about the oxidation reaction that causes the discoloration of bruised fruits.
PEROXIDASE
46
Converts the fibrinogen of the circulating blood into the insoluble fibrin of the blood clot.
THROMBIN
47
Essentially an oxidizing enzyme because the monosaccharide splits into oxidation.
ZYMASE
48
Used As digestants.
PEPSIN PAPAIN PANCREATIN
49
To facilitate the diffusion of injected fluids.
HYALURONIDASE
50
To dissolve clotted blood and purulent accumulation.
STREPTOKINASE STREPTODORNASE
51
Extensive in the fermentation and in cheese industries.
RENNIN ZYMASE
52
Inactivates various penicillin.
PENICILLINASE

PPC D (14 decks)

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